凯尔·杜拉

Keir Dullea

饰：Dr. Dave Bowman

加里·洛克伍德

Gary Lockwood

饰：Dr. Frank Poole

威廉姆·西尔维斯特

William Sylvester

饰：Dr. Heywood R. Floyd

Frank Miller

Frank Miller

饰：Mission Controller

道格拉斯·雷恩

Douglas Rain

饰：HAL 9000

丹尼尔·里希特

Daniel Richter

饰：Moon-Watcher

雷纳德·洛塞特

Leonard Rossiter

饰：Dr. Andrei Smyslov

玛格丽特·提扎克

MargaretTyzack

饰：Elena

罗伯特·比提

Robert Beatty

饰：Dr. Ralph Halvorsen

肖恩·沙利文

Sean Sullivan

饰：Dr. Bill Michaels

比尔·韦斯顿

Bill Weston

饰：Astronaut

艾德·毕肖普

Ed Bishop

饰：Aries-1B Lunar Shuttle Captain (as Edward Bishop)

格伦·贝克

Glenn Beck

饰：Astronaut

艾伦·吉福德

Alan Gifford

饰：Poole's Father

安·吉利斯

Ann Gillis

饰：Poole's Mother

Edwina Carroll

饰：Aries-1B Stewardess

Penny Brahms

饰：Stewardess

Heather Downham

饰：Stewardess

Mike Lovell

饰：Astronaut

John Ashley

饰：Ape

Jimmy Bell

饰：Ape

David Charkham

David Charkham

饰：Ape

Burnell Tucker

Burnell Tucker

饰：TMA-1 Site Photographer (uncredited)

薇薇安·库布里克

Vivian Kubrick

饰：Squirt - Floyd's Daughter (uncredited)

Simon Davis

饰：Ape

Jonathan Daw

饰：Ape

Péter Delmár

饰：Ape (as Peter Delmar)

Terry Duggan

饰：Ape Attacked by Leopard

David Fleetwood

饰：Ape

Danny Grover

饰：Ape

Brian Hawley

饰：Ape

David Hines

饰：Ape

Tony Jackson

饰：Ape

John Jordan

饰：Ape

Scott MacKee

饰：Ape (as Scott Mackee)

Laurence Marchant

饰：Ape

Darryl Paes

饰：Ape

Joe Refalo

饰：Ape

Andy Wallace

饰：Ape

Bob Wilyman

饰：Ape

Richard Woods

饰：Ape Killed by Moon-Watcher (as Richard Wood)

Martin Amor

饰：Interviewer (uncredited)

S·牛顿·安德森

S. Newton Anderson

饰：Young Man (uncredited)

Sheraton Blount

饰：(uncredited)

Ann Bormann

饰：(uncredited)

John Clifford

饰：TMA-1 Site Technician #2 (uncredited)

Julie Croft

饰：(uncredited)

Penny Francis

饰：(uncredited)

Jane Hayward

饰：(uncredited)

Kenneth Kendall

饰：BBC-12 Announcer (uncredited)

Marcella Markham

饰：(uncredited)

Irena Marr

饰：Russian Scientist (uncredited)

Krystyna Marr

饰：Russian Scientist (uncredited)

Kim Neil

饰：(uncredited)

Jane Pearl

Jane Pearl

饰：(uncredited)

Penny Pearl

饰：(uncredited)

凯文·斯科特

Kevin Scott

饰：Miller (uncredited)

John Swindells

饰：TMA-1 Site Technician #1 (uncredited)

艾弗·鲍威尔

Ivor Powell

饰：V. F. Kaminsky (uncredited)

安东尼·杰克逊

Anthony Jackson

饰：Ape,(as Tony Jackson)