A desperate call for help as the residents of Moonbase Alpha are hurled into an interplanetary power struggle. As tensions rise, disaster strikes when a routine mission becomes a nightmare...
Commander Koenig
Martin Landau
Dr. Helena Russell
Barbara Bain
Maya
Catherine Schell
Tony Verdeschi
Tony Anholt
Alan Carter
Nick Tate
Bill Fraser
John Hug
Dr. Ed Spencer
Sam Dastor
Sandra
Zienia Merton
Yasko
Yasuko Nagazumi
Alibe
Alibe Parsons
Dorzak
Lee Montague
Sahala
Jill Townsend
Elizia
Hildegard Neil
Crael
Roy Marsden
Yesta
Kathryn Leigh Scott
Interrogator
Dora Reisser
Clea
Seretta Wilson
Blake Maine
Michael Dickinson
Sares
Cassandra Harris
Sam Malcolm
Richard Le Parmentier
Hunted Man
Del Baker
Jelto
Angus MacInnes
Kinano
Arthur White
Communications Controller
Lise Hilboldt
Phirly
Geoffrey Greenhill
Pierce Quinton
Quentin Pierre
Annette Fraser
Anouska Hempel
First Security Guard
Paul Jerricho
Second Security Guard
John Judd
Third Security Guard
Dave Holland
Narrator / Computer (voice)
Marc Smith