information:extraction, information:filtering
1965–2000: Mature years and later work

Peck served as the president of the Academy of Motion Picture Arts and Sciences in 1967, Chairman of the Board of Trustees of the American Film Institute from 1967 to 1969, Chairman of the Motion Picture and Television Relief Fund in 1971, and National Chairman of the American Cancer Society in 1966. He was a member of the National Council on the Arts from 1964 to 1966.

Peck's rare attempts at villainous roles were not acclaimed. Early on, he played the renegade son in the Western Duel in the Sun, and later in his career, the infamous Nazi doctor Josef Mengele in The Boys from Brazil. In the 1980s, Peck moved to television, where he starred in the mini-series The Blue and the Gray, playing Abraham Lincoln. He also starred with Christopher Plummer, John Gielgud, and Barbara Bouchet in the television film The Scarlet and the Black, about Monsignor Hugh O'Flaherty, a real-life Catholic priest in the Vatican who smuggled Jews and other refugees away from the Nazis during World War II.

Peck, Mitchum, and Martin Balsam all had roles in the 1991 remake of Cape Fear, directed by Martin Scorsese. In the remake, Peck played Max Cady's lawyer. His last prominent film role also came in 1991, in Other People's Money, directed by Norman Jewison and based on the stage play of that name. Peck played a business owner trying to save his company against a hostile takeover bid by a Wall Street liquidator played by Danny DeVito.

Peck retired from active film-making after the film. Peck spent the last few years of his life touring the world doing speaking engagements in which he would show clips from his movies and take questions from the audience. He came out of retirement for a 1998 mini-series version of one of his most famous films, Moby Dick, portraying Father Mapple (played by Orson Welles in the 1956 version), with Patrick Stewart as Captain Ahab, the role Peck played in the earlier film. It was his final performance, and it won him the Golden Globe for Best Supporting Actor in a Series, Miniseries, or Television Film. Peck had been offered the role of Grandpa Joe in the 2005 film Charlie and the Chocolate Factory, but died before he could accept it. The Irish actor David Kelly was then given the part.