Robert Duvall

Actor Robert Duvall arrives at the premiere of "Jane Mansfield's Car" during the 2012 Toronto International Film Festival at the Roy Thomson Hall on September 13, 2012 in Toronto, Canada.

Actor Robert Duvall poses for a photo with a fan at the "Jayne Mansfield's Car" premiere during the 2012 Toronto International Film Festival at the Roy Thomson Hall on Sept. 13, 2012 in Toronto, Canada.

Actor Robert Duvall and his wife, Luciana Pedraza, arrive at the 16th annual Critics' Choice Movie Awards at the Hollywood Palladium on Jan. 14, 2011, in Los Angeles.

Oscar-winning actor Robert Duvall shows his hands after placing them in wet cement in front of Grauman's Chinese Theater on Jan. 5, 2011. Duvall is marking both his 80th birthday and his 50 years in the film business.

Actor Robert Duvall accepts the Career Achievement Award from actor Aaron Eckhart at the 22nd Annual Palm Springs International Film Festival Awards Gala at the Palm Springs Convention Center on Jan. 8, 2011, in Palm Springs, Calif.

Actors Adrien Brody, left, and Robert Duvall pose together at The Wrap's pre-Oscar party in Beverly Hills, Calif., March 1, 2010.

Robert Duvall, left, looks on as he poses with USA film director, Aaron Schneider, promoting the film "Get Low" at the 57th Film Festival in San Sebastian, northern Spain, Sept. 22, 2009.

Actor Robert Duvall speaks at the ATAS Writers Nominee Party at the Friars Club on September 10, 2007, in Beverly Hills, Calif.

Robert Duvall, left, poses for photographs as actor Aaron Eckhart, center, shares a laugh with director Jason Reitman at the premiere of their new movie "Thank You For Smoking," March 12, 2006, in New York.

Robert Duvall and Shirley MacLaine share a happy moment after they won Best Actress and Actor at the 56th Annual Academy Awards April 10, 1984. Duvall won for his role in the film "Tender Mercies" and MacLaine for her role in "Terms of Endearment."

From left to right, Alex Rocco, James Caan, Francis Ford Coppola, Al Pacino, Gianni Russo, Talia Shire, and Robert Duvall pose for a picture before going into the 25th anniversary re-premiere of "The Godfather" at the Castro Theater in San Francisco, March 20, 1997.

Duvall prays in a pond in this scene from his latest film, "The Apostle." Duvall spent 13 years searching for backing for the film, for which he also wrote the script. Eventually, he used $5 million of his own money to bring the film to the screen.

Duvall was all smiles as he displayed his 1998 Independent Spirit Awards for Independent Filmmaking in Santa Monica, Calif., March 21, 1998. Duvall took awards for Best Feature, Best Director and Best Male lead for the movie "The Apostle."

Duvall poses at the La Meridien Hotel March 20, 2003, in Beverly Hills, Calif. Duvall directed "Assassination Tango," in which he also stars as an American hit man who indulges his enthusiasm for formal dancing in South America while waiting for his next kill.

Duvall in a scene from "Assassination Tango."

Duvall says the Pledge of Allegiance on the Mall near the Vietnam Veterans Memorial in Washington May 21, 2003. He is flanked by Dorothy Oxendine, national president of the American Gold Star Mothers, left, and Dennis Cullinan, legislative director of the Veterans of Foreign Wars, prior to the House National Parks, Recreation and Public Lands subcommittee hearing on the Vietnam Veterans Memorial Visitor Center Act.

Haley Joel Osment, Michael Caine and Robert Duvall in a scene from the movie "Secondhand Lions," which was released during the summer of 2003.

In the movie "Open Range," a decisive battle looms for freegrazers Charley (Kevin Costner, left), Boss (Robert Duvall, center) and Button (Diego Luna, right), who must also conquer their own personal demons.

Duvall and Pedraza arrive at the premiere of "Open Range," Aug. 11, 2003, in the Hollywood section of Los Angeles.

Duvall and Kevin Costner arrive at the premiere of "Open Range," Aug. 11, 2003, in Hollywood.

Duvall, left, and Robert Wagner attend the after-party for the premiere of "Open Range," Aug. 11, 2003, in the Hollywood section of Los Angeles.

James Caan, left, and Duvall attend the after-party for the premiere of "Open Range," Aug. 11, 2003.

Duvall is congratulated by Argentina's Foreign Minister Rafael Bielsa, Sept. 2, 2003, after receiving a commemorative plaque in Buenos Aires. Duvall was in Argentina to promote his movie "Assassination Tango."

Duvall signs autographs for fans after the unveiling of his star Sept. 18, 2003, on the Hollywood Walk of Fame in Los Angeles.

Duvall and his girlfriend, actress Luciana Pedraza, strike a Tango pose on Duvall's new star, Sept. 18, 2003, on the Hollywood Walk of Fame in Los Angeles.

Duvall poses after being honored with his star Sept. 18, 2003, on the Hollywood Walk of Fame in Los Angeles.

Duvall, girlfriend Luciana Pedraza, and actor Billy Bob Thornton, left, pose Sept. 18, 2003, on the Hollywood Walk of Fame in Los Angeles, where Duvall was honored with a star on the famed walkway.

Duvall shows off his Donstia award for life-long career achievement in the San Sebastian Film Festival in San Sebastian, Spain, Sept. 26, 2003.

Duvall recites the speech delivered by George C. Marshall when he received his Nobel Prize during a dinner gathering honoring Secretary of State Colin Powell with a George C. Marshall Award, Nov. 12, 2003, in Washington.

Lukas Haas and Robert Duvall in "Rambling Rose" (1991).

Robert Duvall in "Apocalpse Now," directed by Francis Ford Coppola.