Gerald Harcourt
Edward de Souza
Marianne Harcourt
Jennifer Daniel
Father Xavier
Noel Howlett
Police Sergeant
John Harvey
Lead Woman Disciple
Dolly Read
Lead Man Disciple
Brian Oulton
Dr. Ravna
Noel Willman
Carl Ravna
Barry Warren
Professor Zimmer
Clifford Evans
Sabena Ravna
Jacquie Wallis
Tania
Isobel Black
Ravna's Majordomo
Stan Simmons
Bruno
Peter Madden
Anna
Vera Cook
Director
Don Sharp
Director of Photography
Alan Hume
Production Design
Bernard Robinson
Producer
Anthony Hinds
Original Music Composer
James Bernard
Makeup Artist
Roy Ashton
Screenplay
Art Direction
Don Mingaye
Sound Recordist
Ken Rawkins
Special Effects
Les Bowie
Sound Editor
Jim Groom
Camera Operator
Moray Grant
Hairstylist
Frieda Steiger
Music Supervisor
John Hollingsworth