James Olson

Capt. William H. Kemp

Catherine Schell

Clementine Taplin

Warren Mitchell

J.J. Hubbard

Adrienne Corri

Liz

Ori Levy

Karminksi

Bernard Bresslaw

Harry

Dudley Foster

Whitsun

Neil McCallum

Space Captain

Joby Blanshard

Smith

Michael Ripper

1st Card Player

Robert Tayman

2nd Card Player

Sam Kydd

Len the Barman

Carol Cleveland

Hostess

Roy Ward Baker

Director

Brian Johnson

Special Effects

Michael Carreras

Producer

Michael Carreras

Screenplay

Gavin Lyall

Story

Frank Hardman

Story

Martin Davison

Story

Don Ellis

Original Music Composer

Paul Beeson

Director of Photography

Spencer Reeve

Editor

Scott MacGregor

Art Direction

Les Bowie

Special Effects