Calificación
Reparto

Martin Landau
Commander Koenig

Barbara Bain
Dr. Helena Russell

Catherine Schell
Maya

Tony Anholt
Tony Verdeschi

Nick Tate
Alan Carter

John Hug
Bill Fraser

Sam Dastor
Dr. Ed Spencer

Zienia Merton
Sandra

Yasuko Nagazumi
Yasko

Alibe Parsons
Alibe

Lee Montague
Dorzak

Jill Townsend
Sahala

Hildegard Neil
Elizia

Roy Marsden
Crael

Kathryn Leigh Scott
Yesta

Dora Reisser
Interrogator