Barry Keegan worked in a variety of genres and built up a diverse and reputable career. Keegan started his acting career landing roles in such films as "Footsteps in the Fog" (1955), the Kieron Moore sci-fi motion picture "Satellite in the Sky" (1956) and the James Stewart thrilling adaptation "The Man Who Knew Too Much" (1956). He also appeared in the thriller "The Safecracker" (1958) with Ray Milland. He kept working in film throughout the fifties and the sixties, starring in "Gideon's Day" (1959) with Jack Hawkins, the crime drama "Moment of Danger" (1960) with Trevor Howard and the Bill Travers sci-fi flick "Gorgo" (1961). He also appeared in "King of Kings" (1961). Toward the end of his career, he tackled roles in "Billy Budd" (1962), the adaptation "In Search of the Castaways" (1962) with Maurice Chevalier and "The Wrong Arm of the Law" (1962) with Peter Sellers. He also appeared in the Anjelica Huston dramatic adaptation "A Walk With Love and Death" (1969). Keegan last acted in "Flight of the Doves" (1971).