Keir Dullea | Dr. Dave Bowman | |
William Sylvester | Dr. Heywood R. Floyd | |
Leonard Rossiter | Dr. Andrei Smyslov | |
Robert Beatty | Dr. Ralph Halvorsen | |
Douglas Rain | HAL 9000 (hlas) | |
Bill Weston | Astronaut |
Gary Lockwood | Dr. Frank Poole | |
Daniel Richter | Moon-Watcher | |
Margaret Tyzack | Elena | |
Sean Sullivan | Dr. Bill Michaels | |
Frank Miller | Mission Controller (hlas) | |
Ed Bishop | Aries-1B Lunar Shuttle Captain |