He played Dr. Frank Poole in the classic 1968 film, 2001: A Space Odyssey. He has also appeared in Mission Impossible and Murder, She Wrote.
He started out as a movie stuntman.
He was in the 1965 pilot episode of Star Trek, "Where No Man Has Gone Before."
He was married to actress Stefanie Powers.
Stanley Kubrick co-wrote and directed the film that made him popular, 2001: A Space Odyssey.