罗伯特·杜瓦尔

Robert Duvall

饰：THX 1138

唐纳德·普利森斯

Donald Pleasence

饰：SEN 5241

伊安·沃尔夫

Ian Wolfe

饰：PTO, Old Prisoner

希德·黑格

Sid Haig

饰：NCH, Prisoner

大卫·奥根·斯提尔斯

David Ogden Stiers

饰：Announcer (as David Ogden Steers)

John Pearce

饰：DWY, Prisoner

James Wheaton

饰：OMM

Doc Scortt

饰：Monk

Scott Beach

饰：Announcer

特伦斯·麦克格文

Terence McGovern

饰：Announcer (as Terrence McGovern)

朱莉·佩恩

Julie Payne

饰：Announcer

James Cranna

饰：Announcer

Ruth Silveira

Ruth Silveira

饰：Announcer

John Rigg

饰：Computer Operator (uncredited)

唐佩德罗·科利

Don Pedro Colley

饰：SRT, Hologram

Maggie McOmie

饰：LUH 3417

Irene Forrest

饰：IMM, Prisoner

Gary Alan Marsh

饰：CAM, Prisoner

John Seaton

饰：OUE, Prisoner

Eugene I. Stillman

饰：JOT, Prisoner

Raymond Walsh

饰：TRG, Prisoner (as Raymond J. Walsh)

Mark Lawhead

饰：Shell Dweller

Robert Feero

饰：Chrome Robot

Johnny Weissmuller Jr.

饰：Chrome Robot

Claudette Bessing

饰：ELC

Susan Baldwin

饰：Control Officer

Henry Jacobs

饰：Mark 8 Student

Bill Love

饰：Mark 8 Instructor

Gary Austin

饰：Man in Yellow

Scott L. Menges

饰：Child #1

Toby L. Stearns

饰：Child #2

Paul K. Haje

饰：Trial Prosecutor

Ralph Chesse

饰：Trial Proctor

Dion M. Chesse

Dion M. Chesse

饰：Trial Defender

Bruce Chesse

饰：Trial Pontifex

Mello Alexandria

Mello Alexandria

饰：Hologram Dancer

Barbara J. Artis

饰：Hologram Dancer

Morris D. Erby

饰：Hologram Newscaster

Willie C. Barnes

饰：Hologram Comic

Richard Quinnell

饰：Hologram Comic

Jean M. Durand

饰：Hologram Listener

Neva Beach

饰：Announcer

Bruce Mackey

饰：Announcer

Bart Patton

饰：Announcer

Marshall Efron

Marshall Efron

饰：TWA, Prisoner

艾琳·福雷斯特

Irene Cagen

饰：IMM

Jack Walsh

Jack Walsh

饰：TRG

马修·罗宾斯

Matthew Robbins