Christopher Lloyd

Character: Jim Martin

Dee Wallace

Character: Alta (as Dee Wallace-Stone)

Allison Balson

Character: Jewel

Soon-Tek Oh

Character: Tai-Ching

Christopher Stone

Character: 'Doc' Westmore

Luke Askew

Character: Frank Brown

Kazimierz Kaczor

Character: The Superintendant

Zbigniew Lesień

Character: Peter

Andrzej Blumenfeld

Character: Bartan

Robert Fleet

Character: Robert