Mission: Impossible - Ghost Protocol is the most successful film in the movie series' franchise. The Brad Bird-directed film - which sees Tom Cruise return as operative Ethan Hunt, alongside Jeremy Renner and Simon Pegg - has made $571 million worldwide since its release late last year, and studio Paramount has admitted it is delighted with the success.

"Brad Bird, Tom Cruise, J.J. Abrams and the entire team who worked on M:I4 created an incredibly entertaining film, one that fans worldwide embraced in record numbers," said Rob Moore, Vice Chairman of Paramount. Mission: Impossible II is the next most successful film in the franchise, earning $546 million worldwide.

Brad has previously joked he was terrified about being the director who killed off Tom when he made him hang off the world's tallest skyscraper, the Burj Khalifa in Dubai for the fourth installment of the movie: "I think every director that has worked with him in these kinds of films probably has that feeling where your eyes snap open at three in the morning and you go, 'My god, what am I doing?' Definitely."

Demi Moore was "devastated" to lose her role in Lovelace.

The Hollywood actress - who has been replaced by Sarah Jessica Parker in the role of feminist Gloria Steinem in the movie about real-life porn actress Linda Lovelace - is said to have cited a "personal crisis" as to why she pulled out of the movie appearance after being hospitalized last week, according to the film's producers.

Heidi Jo Markel - who is producing the motion picture with Jim Young and Laura Rister - told People, "It was a shock and a concern for all of us. We got a call from [Moore's representative] on Tuesday morning and said, 'There's been a personal crisis and we need to let you know that.' And we were clueless. We had no idea what it entailed. We just knew she was out, that there was probably a health concern, and to move on."

Demi was rushed to the Sherman Oaks Hospital last Monday evening where she was treated for exhaustion after suffering a seizure at a birthday party she was hosting at her home. But her director friend Patty Jenkins says the brunette beauty is now recovering: "I just saw her and she's doing great. I think she's doing much better than it's made out to be. Demi is awesome and so strong. I also hate when people make it a bigger drama than what is going on. She's great."

Rooney Mara has replaced Blake Lively in Steven Soderbergh's Side Effects.

The 26-year-old actress - who recently won an Oscar-nomination for her performance in Girl with the Dragon Tattoo - will now play the leading role of Emily Hawkins in the movie about a woman with a prescription drug addiction, Deadline.com reports. Her problems increase when she is forced to come to terms with her husband being released from prison after three years, and she begins an affair with her doctor.

Jude Law, Channing Tatum and Catherine Zeta-Jones are also set to star in the movie, which has been written by Scott Z. Burns. Greg Jacobs and Lorenzo di Bonaventura are producing the film, and shooting begins in April.

The role will be Rooney's first major signing since appearing in the English language version of Girl with the Dragon Tattoo alongside Daniel Craig.

Selena Gomez will star in and produce in new movie The Sky Is Everywhere. The Wizards of Waverly Place actress has optioned the novel of the same name by Jandy Nelson through her production company July Moon and will take on the lead role of Lennie Walker, a shy girl whose life is turned upside down when her beloved older sister dies.

According to the synopsis of the book, "Lennie plays second clarinet in the school orchestra and has always happily been second fiddle to her charismatic older sister, Bailey. Then Bailey dies suddenly, and Lennie is left at sea without her anchor. Overcome by emotion, Lennie soon finds herself torn between two boys: Bailey's boyfriend, Toby, and Joe, the charming and musically gifted new boy in town. While Toby can't see her without seeing Bailey and Joe sees her only for herself, each offers Lennie something she desperately needs. But ultimately, it's up to Lennie to find her own way toward what she really needs - without Bailey."

Elijah Wood is excited to watch The Hobbit as a "fan."

The actor - who returns to play his Lord of the Rings character Frodo Baggins in the Peter Jackson-directed prequel - has shot his scenes for the movie in New Zealand, and is particularly excited about seeing the film because he does not have the "deep knowledge" of what else is being filmed.

Dakota Fanning is in negotiations to star in Very Good Girls.

The Secret Life of Bees actress could star alongside Anton Yelchin and Elizabeth Olsen in the directorial debut of Naomi Foner. The film tells the tale of two girls who have been best friends for life but decide they want to lose their virginity before they graduate high school. However, their relationship sours when they both fall for the same boy.

"The film deals with female sexuality and friendship in a way we haven't seen before. These girls will be stunning young girls in a couple of years, but they've struggled through high school with only each other. Most of us have been there. This is the summer where they finally get to touch real life," Naomi said, commenting on the film.

Very Good Girls is set to shoot in New York City in June.

Ralph Fiennes felt a lot of pressure making Coriolanus. The 49-year-old actor makes his directorial debut with the Shakespearean adaptation and admits it was hard to juggle helming the project and also acting in it.

"There were days when I thought, 'I haven't got the right performance that I should be giving, but I haven't got time, and I have to move on.' And then, the pressure on the head - Got to move on! And even if you think, 'f**k, f**k, f**k' you can't afford to show it."

Paul Bettany believes that making a good movie is about guess work.

The British actor - who has starred in films including A Beautiful Mind, The Secret Lives of Bees and Iron Man - believes there is no guaranteed way to make a successful film, and he admits many people were surprised at the success of his latest work Margin Call.

"I've never seen more shocked faces. Because nobody could quite believe it had come together so well. I thought it was bright and well-written, which is rare, and it was 17 days of filming so I just thought, 'This is a good punt.' It's just proof that you never know. People are always trying to work out the formula for making a movie that is well-regarded, but it's like looking at f**king tea leaves."

Paul stars alongside Demi Moore, Zachary Quinto and Kevin Spacey in the movie, and he admits it "changed" him because it showed him how professional a set could be: "This movie changed me in that it reminded me of all the reasons why I first became an actor. I can't make movies that I don't care about any more."

Reese Witherspoon and Ryan Reynolds are set to star in Big Eyes. The pair have signed up to play artists Margaret and Walter Keane - who became famous in the 1950s and 60s after their paintings of large-eyed kids were one of the first mass marketed art sensations at the time - in a film that will be produced by Tim Burton.

George Clooney couldn't relate to his character in The Descendants. The 50-year-old actor plays Matt King - a wealthy man who sets out with his two daughters to find the lover of his ailing wife - in the drama and though he had little in common with his alter ego, he doesn't think that is important.

George - who won Best Actor for his role in the movie at last weekend's Golden Globes - said, "This guy is really going through a phase in his life where he wants to do right by everyone, and I don't know that that would be part of my make-up. He's caught p in a strange place in his life and career. I enjoyed playing the character but I don't know that I can relate to him. But part of my job is to do what is asked of me in the script and not have to worry about whether it pertains to me or not. You don't have to actually shoot heroin to play a drug addict, you know."

He also admitted he fears repeating the same career choices over and over and would regard not varying his decisions as a professional "failure": "My biggest fear is doing the same things 10 years from now. That would be a failure. It's something you have to constantly reassess, and asking yourself what you are going to do next makes it a good long full journey."

Vampire films are still proving to be winning box office material, as Underworld Awakening raked in $25.3 million this past weekend, bumping Kate Beckinsale's other film, Contraband, from its number 1 spot.

Not too far behind was the Cuba Gooding, Jr. and Terrence Howard WWII film, Red Tails, which debuted at number 2 for $18.7 million. Last week's top film, Contraband, was bumped down to number 3 with $12 million while Extremely Loud & Incredibly Close jumped from 36th last week to the number 4 spot -- thanks to the addition of more than 2,000 screens. Lastly, the 3D version of Beauty and the Beast, which came in second last week, secured the number 5 spot with $8.8 million.

Read More | Box Office Mojo

Madonna wrote a film because she was lonely. The 53-year-old star's fascination with Wallis Simpson - the subject of her new movie W.E. - stemmed from her interest in English history, which she began to research when she first moved to London with former husband Guy Ritchie.

"When I moved to England after I got married, I really didn't have any friends. I didn't know anybody. I found myself in a strange world and I decided that I was going to find out about the history and culture. So I started studying English history and reading about the monarchy. When I got to Edward VIII, I was transfixed by the idea that a man would give up such a powerful position for love. I started reading books about Wallis Simpson, and I found a lot of them to be really negative and one-dimensional. When women have some kind of power, and we don't understand them, we diminish them."

Madonna related to Wallis a lot and thinks that made her the right person to direct the film: "I think I had an insight into her character that possibly other directors wouldn't have, because I know what it's like to be reduced to a sound bite."

Kristen Wiig is in talks to star in The Secret Life of Walter Mitty.

The Bridesmaids actress looks set to appear opposite Ben Stiller in the movie - a fantasy-comedy remake of the 1947 Danny Kaye film based on James Thurber's short story - that he is also in line to direct.

The 38-year-old beauty - who has recently filmed two independent projects, Imogene and Revenge of the Jolly! - is being lined up to star as the dream girl of a magazine photo manager (Ben) and his co-worker, according to The Hollywood Reporter.

The Secret life of Walter Mitty will feature Ben's alter-ego dreaming of exciting adventures before finding himself involved in one of his own. If Kristen signs up for the movie - which is expected to start filming in April - it will be her first major project since writing and starring in Bridesmaids.

Andrew Garfield had "near death experiences" every day on the set of The Amazing Spider-Man.

The British actor takes over playing the role from Tobey Maguire in the forthcoming prequel - also starring Emma Stone - and he reveals he regularly had to undertake death-defying stunts during the shoot:

"As you can see, a lot of the stunts are practical and grounded in reality. I would exhaust myself every day and get into near-death experiences every hour on the hour. I collaborated with the stunt team not only on the big stunt set-pieces but also on what happens to Peter's body when he gets bitten. What happens to his DNA and how that effects the way he moves."

Emma - who plays Gwen Stacy in the film, and has since gone on to become Andrew's real life girlfriend - has also revealed she enjoyed the kiss they shared on the film. She told a press conference in Japan, "You want to watch the movie and find out. You've got to decide if it's iconic or not. We liked it."

The Amazing Spider-Man is to be released later this year.

Liv Tyler is set to star in medical drama The Side Effect.

The Lord of the Rings actress will play a woman named Catherine Rigby who spends several months alone in space for a global pharmaceutical company, only to find herself inexplicably pregnant in the film, set to be helmed by Ti West. Ted Hope and Peter Phok will produce the picture.

"West is a super-talented, exciting young filmmaker. The role of Rigby is a fantastic character within a great thriller and I am looking forward to sinking my teeth into the part," Liv said, commenting on the role.

Ti is best known for horror films - including Cabin Fever 2: Spring Fever and The House of the Devil - and he says his experience will play part in the new movie: "Although it is still somewhat of a horror film, it is much more psychological than any of my previous efforts. It was essential that I find an actress who could portray a wide range of emotion and always earn the audience's sympathy no matter what the situation. As soon as I sat down with Liv, it was obvious she was the one."

James Bond movie Skyfall is to shoot almost entirely in the UK.

The forthcoming 23rd installment of the franchise - starring Daniel Craig, Javier Bardem and Dame Judi Dench - was expected to shoot in locations across the globe including Bali and China, but budget cuts means Turkey is now the only other country the movie will go to.

"Six different countries were selected but after several technical and financial problems, it was decided to scale back and just use Turkey as the sole foreign location," a source said.

British beaches will be used - including Bognor Regis on the south coast - in addition to Pinewood Studios. "As well as Pinewood's incredible facilities, the UK has some stunning beaches, particularly along the south coast near Bognor and parts of Wales," the source added.

Skyfall has already begun shooting on location in London including Canary Wharf and Charing Cross, and the film - being directed by Sam Mendes - is due for release in November.

Tilda Swinton is set star in Snow Piercer.

The We Need To Talk About Kevin actress is in talks to join Chris Evans in the indie drama which is set in a world covered in ice and snow and follows a group of passengers on a train who must help each other in order to survive. Jamie Bell is also in negotiations for a role in the film, which is set to be the first American movie that The Host filmmaker Bong Joon-ho - who has also written the script - will direct. Park Chan-wook will co-produce through Moho Films with production expected to start in March, though no distributor is yet in place.

Tilda recently admitted she considers every project she does to be her last and is looking forward to retiring as soon as possible. "Every time I'm in a film, I'm determined it's the last film I'm in and then I'll fall into a conversation with someone and we'll cook up a new scheme. Being part of a group has kept me in this because if I wasn't making films I'd be by myself a lot. And basically, it's gone on for 20 years but I'm hoping to pull it to a close shortly. I'm not going, 'Where are the films?' because I don't want there to be films. It's not like I'm looking for opportunities to do things. I would like an opportunity to have a good sleep and get on with some writing."

Sam Worthington found Clash of the Titans "disappointing."

The actor played the lead role of Perseus in the 2010 remake of the 1981 movie and while he was unhappy with a lot of the criticism the film received, he knows it wasn't as good as it could have been: "It was disappointing to me. You've got to get it right. I don't really care what critics say. They're going to have their beef. They get a free ticket and they still come and criticize. I was disappointed. It wasn't the movie that I would've liked it to be. In truth, there are a lot of people that I met who enjoyed it. But you hate those criticisms."

Sam - who reprises the role in forthcoming sequel Wrath of the Titans - admitted he was even unhappy with his own performance in the film and is hoping to do better in the new movie. "I think in the first one, there were mistakes I wanted to rectify. I wasn't happy with what I delivered, personally. And in adding things, like a kid, it gives more emotional stakes to the character, to the story. And basically we just wanted to make something a bit bigger and bolder, and hopefully better."

Michael Fassbender wants to take his mother on a date to the Oscars.

The Shame actor - who is widely tipped to be nominated for an Academy Award following a blockbuster year of movies including A Dangerous Method, X-Men: First Class, and Haywire - has his parents to thank for him being able to earn a living prior to making it big, and he would like to take his mum down the red carpet at the event.

"It took me a while to come to grips with how expensive London was. My parents helped me out, but we never had a lot of money. [An Oscar Nomination] would just be a bonus, but of course I would take my mum down the red carpet."

Discussing his role in Shame, the Irish/German star admits he was "worried" about the gravity of playing a man who was dealing with an addiction to sex: "I was a bit worried that I'd perhaps bitten off more than I could chew. But I'm always interested in trying to investigate different personalities. I want to keep myself guessing and keep the fear element alive so that I don't get too comfortable."

Idris Elba will be returning to the Thor series.

The British actor - who played the role of guardian Heimdall in the first instalment of the action movie starring Chris Hemsworth and Tom Hilddleston - has confirmed he will be back for the second feature, which is due to begin filming this year.

Asked if he had any Marvel projects in the future, he said, "Thor 2, for sure. We're going at it again." However, he admits he has yet to meet the film's director Alan Taylor, who took over after Patty Jenkins dropped out due to differences of opinion.

Natalie Portman - who played Jane Foster in the 2011 film - is also widely expected to return, although she was said to have been annoyed at Patty being sidelined in the project. The first Thor, which told the tale of the leader of the Norse Gods, played by Sir Anthony Hopkins, banishing his son to earth, made $448.5 million at the box office worldwide.