Space: 1999

Martin Landau John Koenig

Barbara Bain Helena Russell

Nick Tate Alan Carter

Zienia Merton Sandra Benes

Anton Phillips Dr. Mathias

Catherine Schell Servant of the Guardian

Barry Morse Victor Bergman

Tony Anholt Tony Verdeschi

Prentis Hancock Paul Morrow

Clifton Jones David Kano

S

Sarah Bullen Kate

Alan Harris Entran Prisoner (uncredited)