Dr. David Bowman

Keir Dullea

Acting

Dr. Frank Poole

Gary Lockwood

Acting

Dr. Heywood Floyd

William Sylvester

Acting

HAL 9000 (voice)

Douglas Rain

Acting

Moonwatcher

Daniel Richter

Acting

Dr. Andrei Smyslov

Leonard Rossiter

Acting

Elena

Margaret Tyzack

Acting

Dr. Ralph Halvorsen

Robert Beatty

Acting

Dr. Roy Michaels

Sean Sullivan

Acting

Mission Controller (voice)

Frank W. Miller

Acting

Astronaut

Bill Weston

Crew

Aries-1B Lunar Shuttle Captain

Ed Bishop

Acting

Astronaut

Glenn Beck

Acting

Poole's Father

Alan Gifford

Acting

Poole's Mother

Ann Gillis

Acting

Aries-1B Stewardess

Edwina Carroll

Acting

Stewardess

Penny Brahms

Acting

Stewardess

Heather Downham

Acting

Astronaut

Mike Lovell

Acting

Ape

John Ashley

Acting

Ape

Jimmy Bell

Acting

Ape

David Charkham

Acting

Ape

Keith Denny

Costume & Make-Up

Ape

Jonathan Daw

Acting

Ape

Péter Delmár

Acting

Ape Attacked by Leopard

Terry Duggan

Acting

Ape

David Fleetwood

Acting

Ape

Danny Grover

Acting

Ape

Brian Hawley

Acting

Ape

David Hines

Acting

Ape

Anthony Jackson

Acting

Ape

John Jordan

Acting

Ape

Scott MacKee

Acting

Ape

Laurence Marchant

Acting

Ape

Darryl Paes

Acting

Ape

Joe Refalo

Acting

Ape

Andy Wallace

Acting

Ape

Bob Wilyman

Acting

Ape Killed by Moon-Watcher

Richard Woods

Acting

Hostess in Elevator (uncredited)

Maggie London

Acting

Receptionist (uncredited)

Chela Matthison

Acting

Voice Print Identification Girl (uncredited)

Judy Keirn

Acting

Floyd's Daughter (uncredited)

Vivian Kubrick

Acting

BBC-12 Announcer (uncredited)

Kenneth Kendall

Acting

Miller (uncredited)

Kevin Scott

Acting

Interviewer (uncredited)

Martin Amor

Acting

Young Man (uncredited)

S. Newton Anderson

Acting

(uncredited)

Sheraton Blount

Acting

(uncredited)

Ann Bormann

Acting

(uncredited)

Julie Croft

Acting

(uncredited)

Penny Francis

Acting

(uncredited)

Marcella Markham

Acting

Russian Scientist (uncredited)

Irena Marr

Acting

Russian Scientist (uncredited)

Krystyna Marr

Acting

(uncredited)

Kim Neil

Acting

(uncredited)

Jane Pearl

Acting

(uncredited)

Penny Pearl

Acting

TMA-1 Site Photographer (uncredited)

Burnell Tucker

Acting

TMA-1 Site Technician #1 (uncredited)

John Swindells

Acting

TMA-1 Site Technician #2 (uncredited)

John Clifford

Acting

Astronaut Breathing (voice) (uncredited)

Stanley Kubrick

Directing

Moonwalker (uncredited)

Harry Fielder

Acting