psychiatrist who treated the two mentally ill adolescents portrayed in the film. It was a low-budget film that became a break out hit, making over $2 million, and turning Dullea into an established name. Film Daily voted him "find of the year". Dullea appeared on television in shows such as Empire, The United States Steel Hour, Bonanza, Naked City, Going My Way, The Eleventh Hour, Alcoa Premiere, Kraft Mystery Theater and Channing. Dullea was second billed in Mail Order Bride (1964), written and directed by Burt Kennedy. He starred in the first screen adaptation of James Jones' The Thin Red Line (1964), then did a TV adaptation of Pale Horse, Pale Rider and went to Italy to star in The Naked Hour (1964). In 1965, he guest-starred as Lieutenant Kurt Muller in the episode titled "To Heinie, with Love" of Twelve O'Clock High. He took these roles to avoid being typecast as a troubled youth. Dullea went to England to make Bunny Lake Is Missing (1965), which co-starred Dullea with Laurence Olivier, Carol Lynley, and Noël Coward. Although they shared no scenes together in the film, when Coward initially met Dullea on the set, he uttered the often quoted line "Keir Dullea, gone tomorrow." Nonetheless he was voted one of 1965's "stars of tomorrow". Dullea played the son of Lana Turner's character in Ross Hunter's remake of Madame X (1966), which underperformed commercially. He then appeared with Anne Heywood and Sandy Dennis in the Canadian box office hit, The Fox (1967). His first Broadway appearance was in 1967 in Ira Levin's Dr. Cook's Garden with Burl Ives, which only had a short run. Kubrick and Later 2001: A Space Odyssey In 1968, Dullea appeared as astronaut David Bowman in Stanley Kubrick's film 2001: A Space Odyssey, which became a box-office success and is recognized by critics, filmmakers and audiences as one of the greatest and most influential films ever made. His line "Open the pod bay doors please, HAL" is #78 on the American Film Institute's list of 100 movie quotes. Dullea was offered the title role in movie De Sade (1969), playing the title role (the Marquis de Sade). The movie was a critical and commercial disappointment despite a cast that included John Huston. Dullea had success on Broadway, starring in the 1969 hit comedy Butterflies Are Free with Eileen Heckart and Blythe Danner. In the play, he introduced