On screen
Cast
44 credited performers
Robert Duvall
THX
Donald Pleasence
SEN
Don Pedro Colley
SRT
Maggie McOmie
LUH
Ian Wolfe
PTO
Marshall Efron
TWA
Sid Haig
NCH
Artwork unavailable
John Pearce
DWY
Artwork unavailable
Irene Cagen
IMM
Artwork unavailable
Gary Alan Marsh
CAM
Artwork unavailable
John Seaton
OUE
Artwork unavailable
Eugene I. Stillman
JOT
Jack Walsh
TRG
Artwork unavailable
Mark Lawhead
Shell Dweller
Artwork unavailable
Robert Feero
Chrome Robot
Johnny Weissmuller Jr.
Chrome Robot
Artwork unavailable
Claudette Bessing
ELC
Artwork unavailable
Susan Stroh
Control Officer
James Wheaton
OMM (voice)
Artwork unavailable
Henry Jacobs
Mark 8 Student
Artwork unavailable
Bill Love
Mark 8 Instructor
Artwork unavailable
Doc Scortt
Monk
Gary Austin
Man in Yellow
Artwork unavailable
Scott L. Menges
Child #1
Artwork unavailable
Toby L. Stearns
Child #2
Artwork unavailable
Paul K. Haje
Trial Prosecutor
Ralph Chesse
Trial Proctor
Artwork unavailable
Dion M. Chesse
Trial Defender
Artwork unavailable
Bruce Chesse
Trial Pontifex
Artwork unavailable
Mello Alexandria
Hologram Dancer
Artwork unavailable
Brandyn Barbara Artis
Hologram Dancer
Artwork unavailable
Morris D. Erby
Hologram Newscaster
Artwork unavailable
Willie C. Barnes
Hologram Comic
Artwork unavailable
Richard Quinnell
Hologram Comic
Artwork unavailable
Jean M. Durand
Hologram Listener
Scott Beach
Announcer (voice)
Artwork unavailable
Neva Beach
Announcer (voice)
Terence McGovern
Announcer (voice)
Julie Payne
Announcer (voice)
Artwork unavailable
James Cranna
Announcer (voice)
Artwork unavailable
Ruth Silveira
Announcer (voice)
Artwork unavailable
Bruce Mackey
Announcer (voice)
David Ogden Stiers
Announcer (voice)
Bart Patton
Announcer (voice)