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