An American actor born in 1922, he was best known for his role as Dr. Heywood R. Floyd in Stanley Kubrick's "2001: A Space Odyssey." He began his career in British film and television in the 1950s, appearing in numerous B-movies and TV series. His versatility allowed him to transition between genres, including crime dramas and science fiction. He also appeared in films like "Gorgo" and "The Happening." He passed away in 1995, leaving behind a legacy of varied and memorable performances.