cast
-
Keir Dullea
Dr. David Bowman
-
Gary Lockwood
Dr. Frank Poole
-
William Sylvester
Dr. Heywood Floyd
-
Douglas Rain
HAL 9000 (voice)
-
Daniel Richter
Moonwatcher
-
Leonard Rossiter
Dr. Andrei Smyslov
-
Margaret Tyzack
Elena
-
Robert Beatty
Dr. Ralph Halvorsen
- Sean Sullivan Dr. Roy Michaels
- Frank W. Miller Mission Controller (voice)
- Bill Weston Astronaut
-
Ed Bishop
Aries-1B Lunar Shuttle Captain
-
Glenn Beck
Astronaut
-
Alan Gifford
Poole's Father
-
Ann Gillis
Poole's Mother
-
Edwina Carroll
Aries-1B Stewardess
-
Penny Brahms
Stewardess
- Heather Downham Stewardess
- Mike Lovell Astronaut
- John Ashley Ape
- Jimmy Bell Ape
-
David Charkham
Ape
- Keith Denny Ape
- Jonathan Daw Ape
- Péter Delmár Ape
- Terry Duggan Ape Attacked by Leopard
- David Fleetwood Ape
- Danny Grover Ape
- Brian Hawley Ape
- David Hines Ape
- Anthony Jackson Ape
- John Jordan Ape
- Scott MacKee Ape
- Laurence Marchant Ape
- Darryl Paes Ape
- Joe Refalo Ape
- Andy Wallace Ape
- Bob Wilyman Ape
- Richard Woods Ape Killed by Moon-Watcher
-
Maggie London
Hostess in Elevator (uncredited)
-
Chela Matthison
Receptionist (uncredited)
- Judy Keirn Voice Print Identification Girl (uncredited)
-
Vivian Kubrick
Floyd's Daughter (uncredited)
-
Kenneth Kendall
BBC-12 Announcer (uncredited)
-
Kevin Scott
Miller (uncredited)
- Martin Amor Interviewer (uncredited)
- S. Newton Anderson Young Man (uncredited)
- Sheraton Blount (uncredited)
- Ann Bormann (uncredited)
- Julie Croft (uncredited)
- Penny Francis (uncredited)
- Marcella Markham (uncredited)
- Irena Marr Russian Scientist (uncredited)
- Krystyna Marr Russian Scientist (uncredited)
- Kim Neil (uncredited)
- Jane Pearl (uncredited)
- Penny Pearl (uncredited)
-
Burnell Tucker
TMA-1 Site Photographer (uncredited)
-
John Swindells
TMA-1 Site Technician #1 (uncredited)
- John Clifford TMA-1 Site Technician #2 (uncredited)
-
Stanley Kubrick
Astronaut Breathing (voice) (uncredited)
- Harry Fielder Moonwalker (uncredited)