Ben Affleck goes full frontal in 'Gone Girl'

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Ben Affleck goes full frontal in 'Gone Girl'
LONDON, ENGLAND - OCTOBER 19: Director David Ayer, actors Michael Pena, Brad Pitt and Logan Lerman attend the press conference for 'Fury' during the 58th BFI London Film Festival at The Corinthia Hotel on October 19, 2014 in London, England. (Photo by Tim P. Whitby/Getty Images for BFI)
LONDON, ENGLAND - OCTOBER 19: Actor Brad Pitt attends the press conference for 'Fury' during the 58th BFI London Film Festival at The Corinthia Hotel on October 19, 2014 in London, England. (Photo by Tim P. Whitby/Getty Images for BFI)
LONDON, ENGLAND - OCTOBER 19: Actor Shia LeBeouf attends the press conference for 'Fury' during the 58th BFI London Film Festival at The Corinthia Hotel on October 19, 2014 in London, England. (Photo by Tim P. Whitby/Getty Images for BFI)
US actor Brad Pitt (3rd L) joins fellows cast-members Jon Bernthal (L), Logan Lerman (2nd L), Shia LaBeouf (3rd R) and Michael Pena (2nd R) and Director David Ayer (R) of World War II action film 'Fury' at a photocall during the BFI London Film Festival in London on October 19, 2014. AFP PHOTO / LEON NEAL (Photo credit should read LEON NEAL/AFP/Getty Images)
LONDON, ENGLAND - OCTOBER 19: Jon Bernthal, Logan Lerman, Brad Pitt, Shia LeBeouf and Michael Pena attend a photocall for 'Fury' during the 58th BFI London Film Festival at Corinthia Hotel London on October 19, 2014 in London, England. (Photo by Mike Marsland/WireImage)
PARIS, FRANCE - OCTOBER 18: Brad Pitt and Director David Ayer attend the 'Fury' Photocalll at Les Invalides on October 18, 2014 in Paris, France. (Photo by Pierre Suu/Getty Images)
PARIS, FRANCE - OCTOBER 18: Shia Labeouf,General Christian Baptiste,Logan Lerman,Jon Bernthal,Brad Pitt,General Herve Charpentier,Michael Pena and Director David Ayer attend the 'Fury' Photocalll at Les Invalides on October 18, 2014 in Paris, France. (Photo by Pierre Suu/Getty Images)
NEW YORK, NY - SEPTEMBER 26: (L-R) Sela Ward, David Clennon, Neil Patrick Harris, Tyler Perry, Rosamund Pike, Ben Affleck, David Fincher, Emily Ratajkowski, and Missi Pyle attend the Opening Night Gala Presentation and World Premiere of 'Gone Girl' during the 52nd New York Film Festival at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Dimitrios Kambouris/Getty Images)
NEW YORK, NY - SEPTEMBER 26: (L-R) Neil Patrick Harris, Tyler Perry, Rosamund Pike, Ben Affleck, David Fincher, and Emily Ratajkowski attend the Opening Night Gala Presentation and World Premiere of 'Gone Girl' during the 52nd New York Film Festival at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Dimitrios Kambouris/Getty Images)
NEW YORK, NY - SEPTEMBER 26: (L-R) David Clennon, Neil Patrick Harris, Tyler Perry, Rosamund Pike, Ben Affleck, David Fincher, Emily Ratajkowski, and Missi Pyle attend the Opening Night Gala Presentation and World Premiere of 'Gone Girl' during the 52nd New York Film Festival at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Dimitrios Kambouris/Getty Images)
NEW YORK, NY - SEPTEMBER 26: Actor/Director Ben Affleck attends the Opening Night Gala Presentation And World Premiere Of 'Gone Girl' 52nd New York Film Festival at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Mike Pont/FilmMagic)
NEW YORK, NY - SEPTEMBER 30: NY Daily News Entertainment Columnist Joe Neumaier and actress Rosamund Pike attend an official Academy members screening of 'Gone Girl' hosted by The Academy of Motion Picture Arts and Sciences at the Academy Theater at Lighthouse International on September 30, 2014 in New York City. (Photo by Anna Webber/Getty Images for Academy of Motion Picture Arts and Sciences)
NEW YORK, NY - SEPTEMBER 30: NY Daily News Entertainment Columnist Joe Neumaier, actress Rosamund Pike and NY Program Director attend an official Academy members screening of 'Gone Girl' hosted by The Academy of Motion Picture Arts and Sciences at the Academy Theater at Lighthouse International on September 30, 2014 in New York City. (Photo by Anna Webber/Getty Images for Academy of Motion Picture Arts and Sciences)
NEW YORK, NY - SEPTEMBER 29: Author Gillian Flynn and NYFCS Host/ Rolling Stone Film Critic Peter Travers speak at the New York Film Critic Series Screening Of 'Gone Girl' at AMC Empire on September 29, 2014 in New York City. (Photo by J Carter Rinaldi/Getty Images)
NEW YORK, NY - SEPTEMBER 26: Actress Lisa Banes attends the Opening Night Gala Presentation And World Premiere Of 'Gone Girl' 52nd New York Film Festival at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Mike Pont/FilmMagic)
NEW YORK, NY - SEPTEMBER 26: Actor Ben Affleck attends the Opening Night Gala Presentation and World Premiere of 'Gone Girl' during the 52nd New York Film Festival at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Dimitrios Kambouris/Getty Images)
NEW YORK, NY - SEPTEMBER 26: Actor/Director Tyler Perry attends the Opening Night Gala Presentation And World Premiere Of 'Gone Girl' 52nd New York Film Festival at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Mike Pont/FilmMagic)
NEW YORK, NY - SEPTEMBER 26: Linda Neuman (L) and actress Missi Pyle attend the Opening Night Gala Presentation and World Premiere of 'Gone Girl' during the 52nd New York Film Festival at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Jamie McCarthy/Getty Images)
NEW YORK, NY - SEPTEMBER 26: Actress Kim Dickens attends the 52nd New York Film Festival Opening Night Gala Presentation and World Premiere Of 'Gone Girl' at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Jim Spellman/WireImage)
NEW YORK, NY - SEPTEMBER 26: Actor Neil Patrick Harris attends the 52nd New York Film Festival Opening Night Gala Presentation and World Premiere Of 'Gone Girl' at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Jim Spellman/WireImage)
NEW YORK, NY - SEPTEMBER 26: Kent Jones (L) and Lesli Klainberg attend the Opening Night Gala Presentation and World Premiere of 'Gone Girl' during the 52nd New York Film Festival at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Jamie McCarthy/Getty Images)
NEW YORK, NY - SEPTEMBER 26: Author Gillian Flynn attends the 52nd New York Film Festival Opening Night Gala Presentation and World Premiere Of 'Gone Girl' at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Jim Spellman/WireImage)
NEW YORK, NY - SEPTEMBER 26: Actress/producer Reese Witherspoon attends the 52nd New York Film Festival Opening Night Gala Presentation and World Premiere Of 'Gone Girl' at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Jim Spellman/WireImage)
NEW YORK, NY - SEPTEMBER 26: Actress/producer Reese Witherspoon and producer Bruna Papandrea attend the 52nd New York Film Festival Opening Night Gala Presentation and World Premiere Of 'Gone Girl' at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Jim Spellman/WireImage)
NEW YORK, NY - SEPTEMBER 26: Director Lisandro Alonso attends the Opening Night Gala Presentation and World Premiere of 'Gone Girl'during the 52nd New York Film Festival at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Jamie McCarthy/Getty Images)
NEW YORK, NY - SEPTEMBER 26: Actor David Clennon (L) and Perry Adleman attend the Opening Night Gala Presentation and World Premiere of 'Gone Girl' during the 52nd New York Film Festival at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Dimitrios Kambouris/Getty Images)
NEW YORK, NY - SEPTEMBER 26: Actress Rosamund Pike attends the 52nd New York Film Festival Opening Night Gala Presentation and World Premiere Of 'Gone Girl' at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Jim Spellman/WireImage)
NEW YORK, NY - SEPTEMBER 26: Actress Carrie Coon attends the Opening Night Gala Presentation and World Premiere of 'Gone Girl' during the 52nd New York Film Festival at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Dimitrios Kambouris/Getty Images)
NEW YORK, NY - SEPTEMBER 26: Television Personality Andy Cohen attends the Opening Night Gala Presentation And World Premiere Of 'Gone Girl' 52nd New York Film Festival at Alice Tully Hall on September 26, 2014 in New York City. (Photo by Mike Pont/FilmMagic)
NEW YORK, NY - SEPTEMBER 29: Rosamund Pike at ABC Studios promoting her new film 'Gone Girl' in New York City on September 29, 2014. Credit: RW/MediaPunch/IPX
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By Jackie Willis
ETonline

The 42-year-old actor wants to assure moviegoers that he does in fact have a full-frontal scene in the book-turned-movie. "I try to get it in every movie," Affleck told MTV.

NEWS: Ben Affleck-- My Kids Don't 'Give a Sh*t' That I'm Batman

You have director David Fincher to thank for this scene as he insisted on having Affleck in the nude. "It's ironic, because David said to me from the beginning, this is a warts and all movie. It can have no vanity. You have to see the naked underbelly of this character," Affleck added. Turns out, he meant "naked underbelly" literally.

So what exactly can we expect from this full-frontal display? "There's some brief, ah, very brief nudity, I think," the actor said sheepishly before continuing, "The penis is in there! It's IMAX penis! You've gotta pay 15 bucks to see it in 3D... it's better in 3D."

PHOTOS: Stars In Their Underwear

Affleck did include a disclaimer to his private parts being displayed on the big screen. "You should know it was very cold," he quipped.

Gone Girl -- based on the book of the same name by Gillian Flynn -- follows Nick Dunne (Affleck) as he finds himself a suspect in the disappearance of his wife, which leads to an intense media circus.

The highly anticipated film opens in theaters Oct. 3.

In the meantime, check out ET's very personal chat with Affleck:

Ben Affleck Talks Marriage, Children & 'Gone Girl'

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