Christopher Lee
Dr. Stephen Hayward
Jon Finch
Lomax
Judy Geeson
Helen
Dilys Hamlett
Julia Hayward
Tony Beckley
Sgt. Greene
Jane Merrow
Mary Dawson
Colin Jeavons
Bob Dawson
David Trevena
Johnson
Adrian Cairns
Morgan
Daphne Neville
Nurse Fisher
Hugh Smith-Marriott
Dr. Chapman
Hubert Tucker
Ronalds
David Langford
Gray
Sidney Hayers
Director
Philip Levene
Screenstory
Ben Roberts
Writer
Ivan Goff
F. Sherwin Green
Production Supervisor
Peter Miller
Producer
Michael Towers
Associate Producer
Patrick Dromgoole
Executive Producer
Bob Edwards
Director of Photography
Barry Peters
Supervising Editor
David Williams
Editor
John W. Carr
Assistant Editor
Kenneth Jones
Art Direction
Ken Bridgeman
Set Decoration
Laurie Johnson
Original Music Composer
Mike Davey
Sound Recordist
Christine Penwarden
Makeup Artist
