THX 1138
VoltarElenco
Robert DuvallTHX
Donald PleasenceSEN
Don Pedro ColleySRT
Maggie McOmieLUH
Ian WolfePTO
Marshall EfronTWA
Sid HaigNCH- John PearceDWY
- Irene CagenIMM
- Gary Alan MarshCAM
- John SeatonOUE
- Eugene I. StillmanJOT
Jack WalshTRG- Mark LawheadShell Dweller
- Robert FeeroChrome Robot
Johnny Weissmuller Jr.Chrome Robot- Claudette BessingELC
- Susan StrohControl Officer
James WheatonOMM (voz)- Henry JacobsMark 8 Student
- Bill LoveMark 8 Instructor
- Doc ScorttMonk
Gary AustinMan in Yellow- Scott L. MengesChild #1
- Toby L. StearnsChild #2
- Paul K. HajeTrial Prosecutor
Ralph ChesseTrial Proctor- Dion M. ChesseTrial Defender
- Bruce ChesseTrial Pontifex
- Mello AlexandriaHologram Dancer
- Brandyn Barbara ArtisHologram Dancer
- Morris D. ErbyHologram Newscaster
- Willie C. BarnesHologram Comic
- Richard QuinnellHologram Comic
- Jean M. DurandHologram Listener
Scott BeachAnnouncer (voz)- Neva BeachAnnouncer (voz)
Terence McGovernAnnouncer (voz)
Julie PayneAnnouncer (voz)- James CrannaAnnouncer (voz)
- Ruth SilveiraAnnouncer (voz)
- Bruce MackeyAnnouncer (voz)
David Ogden StiersAnnouncer (voz)
Bart PattonAnnouncer (voz)
