On screen
Cast
13 credited performers
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
Artwork unavailable
David Trevena
Johnson
Artwork unavailable
Adrian Cairns
Morgan
Artwork unavailable
Daphne Neville
Nurse Fisher
Artwork unavailable
Hugh Smith-Marriott
Dr. Chapman
Artwork unavailable
Hubert Tucker
Ronalds
Artwork unavailable
David Langford
Gray