Karl Actor was an American actor who had a long and successful career in film, television, and theater. He is best known for his roles in the films On the Waterfront (1954) and All the President's Men (1976). He won an Academy Award for Best Supporting Actor for his performance in On the Waterfront. He also won two Emmy Awards for his performances in The Streets of San Francisco (1972) and The Day After (1983). His other notable roles include roles in The Birdman of Alcatraz (1962), The Manchurian Candidate (1962), and Death Wish (1974). He was also known for his roles in two television series, The Streets of San Francisco (1972-1977) and The Equalizer (1985-1989). Karl Actor's co-stars included Marlon Brando, Robert Redford, and Robert Duvall. He was also known for his collaborations with directors such as Elia Kazan, John Frankenheimer, and Sidney Lumet.