Eric Porter
Lansen
Eric Porter
Lansen
Hildegard Knef
Eva Peters
Suzanna Leigh
Unity Webster
Tony Beckley
Harry Tyler
Jimmy Hanley
Patrick, the bartender
James Cossins
Nick, chief engineer
Reg Lye
The Helmsman
Ben Carruthers
Ricaldi
Nigel Stock
Dr. Webster
Neil McCallum
First Officer Hemmings
Donald Sumpter
Sparks, the Radioman
Victor Maddern
The Mate
Michael Ripper
The One-Eyed Crewman
Dana Gillespie
Sara
Darryl Read
El Supremo
Eddie Powell
The Inquisitor
Michael Carreras
Producer
Gerard Schurmann
Original Music Composer
Paul Beeson
Director of Photography
Chris Barnes
Editor
Michael Carreras
Director
Michael Carreras
Screenplay
Dennis Wheatley
Novel
Peter Manley
Associate Producer
George Partleton
Makeup Artist
Doreen Soan
Script Supervisor
Philip Martell
Music Supervisor
Carl Toms
Costume Design
Arthur Lawson
Art Direction
Cliff Richardson
Special Effects
Elsie Alder
Hairstylist
Roy Baker
Sound Editor
Irene Lamb
Casting
H. A. R. Thomson
Camera Operator
Robert A. Mattey
Special Effects
Mary Gibson
Wardrobe Master
Anthony Hinds
Executive Producer
James Needs
Supervising Editor