Stanley Kubrick Director, Astronaut Breathing (voice) (uncredited), Screenplay, Visual Effects, Producer
Margaret Tyzack Elena
Keir Dullea Dr. David Bowman
Gary Lockwood Dr. Frank Poole
Ed Bishop Aries-1B Lunar Shuttle Captain
Arthur C. Clarke Screenplay
William Sylvester Dr. Heywood Floyd
Burnell Tucker TMA-1 Site Photographer (uncredited)
Leonard Rossiter Dr. Andrei Smyslov
Robert Beatty Dr. Ralph Halvorsen
Sean Sullivan Dr. Roy Michaels
Douglas Trumbull Visual Effects, Visual Effects Supervisor
Harry Fielder Moonwalker (uncredited)
Terry Duggan Ape Attacked by Leopard
Glenn Beck Astronaut
Geoffrey Unsworth Director of Photography
David Wynn-Jones Clapper Loader
Les Bowie Special Effects
Vivian Kubrick Floyd's Daughter (uncredited)
Kevin Scott Miller (uncredited)
Alan Gifford Poole's Father
John Alcott Additional Photography
Anthony Jackson Ape
Douglas Rain HAL 9000 (voice)
Heather Downham Stewardess
Brian Johnson Special Effects
Wally Veevers Visual Effects Supervisor
Kelvin Pike Camera Operator
Derek Cracknell First Assistant Director
Penny Brahms Stewardess
Daniel Richter Moonwatcher
Ray Lovejoy Editor
Bill Weston Astronaut
James Liggat Casting
Ann Gillis Poole's Mother
Stuart Freeborn Makeup Artist
Anthony Masters Production Design
Bobby Clark Stunts
A.W. Watkins Sound Supervisor
Ernest Archer Production Design
David Charkham Ape
John Clifford TMA-1 Site Technician #2 (uncredited)
Kenneth Kendall BBC-12 Announcer (uncredited)
Graham Freeborn Makeup Artist
Danny Grover Ape
Judy Keirn Voice Print Identification Girl (uncredited)
Keith Denny Ape
Winston Ryder Sound Editor
Marcella Markham (uncredited)
Mary Gibson Wardrobe Supervisor
Malcolm Stewart Sound Designer
Chela Matthison Receptionist (uncredited)
Con Pederson Visual Effects Supervisor
John Swindells TMA-1 Site Technician #1 (uncredited)
Tom Howard Visual Effects Supervisor
Edwina Carroll Aries-1B Stewardess
Harry Lange Production Design
Hardy Amies Wardrobe Designer
Victor Lyndon Producer
Richard Woods Ape Killed by Moon-Watcher
Frank W. Miller Mission Controller (voice)
David de Wilde Editorial Staff
Sheraton Blount (uncredited)
John Francis Stunt Coordinator
Maggie London Hostess in Elevator (uncredited)
H.L. Bird Sound mixer
John Hoesli Art Direction
Robert Cartwright Set Decoration
Bob Wilyman Ape
Darryl Paes Ape
Dick Frift Construction Coordinator
Frederick I. Ordway III Scientific Consultant