Humanity finds a mysterious object buried beneath the lunar surface and sets off to find its origins with the help of HAL 9000, the world's most advanced super computer.
Dr. David Bowman
Keir Dullea
Dr. Frank Poole
Gary Lockwood
Dr. Heywood Floyd
William Sylvester
HAL 9000 (voice)
Douglas Rain
Moonwatcher
Daniel Richter
Dr. Andrei Smyslov
Leonard Rossiter
Elena
Margaret Tyzack
Dr. Ralph Halvorsen
Robert Beatty
Dr. Roy Michaels
Sean Sullivan
Mission Controller (voice)
Frank W. Miller
Astronaut
Bill Weston
Aries-1B Lunar Shuttle Captain
Ed Bishop
Astronaut
Glenn Beck
Poole's Father
Alan Gifford
Poole's Mother
Ann Gillis
Aries-1B Stewardess
Edwina Carroll
Stewardess
Penny Brahms
Stewardess
Heather Downham
Astronaut
Mike Lovell
Ape
John Ashley
Ape
Jimmy Bell
Ape
David Charkham
Ape
Keith Denny
Ape
Jonathan Daw
Ape
Péter Delmár
Ape Attacked by Leopard
Terry Duggan
Ape
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 Killed by Moon-Watcher
Richard Woods
Hostess in Elevator (uncredited)
Maggie London
Receptionist (uncredited)
Chela Matthison
Voice Print Identification Girl (uncredited)
Judy Keirn
Floyd's Daughter (uncredited)
Vivian Kubrick
BBC-12 Announcer (uncredited)
Kenneth Kendall
Miller (uncredited)
Kevin Scott
Interviewer (uncredited)
Martin Amor
Young Man (uncredited)
S. Newton Anderson
(uncredited)
Sheraton Blount
(uncredited)
Ann Bormann
(uncredited)
Julie Croft
(uncredited)
Penny Francis
(uncredited)
Marcella Markham
Russian Scientist (uncredited)
Irena Marr
Russian Scientist (uncredited)
Krystyna Marr
(uncredited)
Kim Neil
(uncredited)
Jane Pearl
(uncredited)
Penny Pearl
TMA-1 Site Photographer (uncredited)
Burnell Tucker
TMA-1 Site Technician #1 (uncredited)
John Swindells
TMA-1 Site Technician #2 (uncredited)
John Clifford
Astronaut Breathing (voice) (uncredited)
Stanley Kubrick
Moonwalker (uncredited)
Harry Fielder