On screen
Cast
42 credited performers
Andrew Keir
Dr. Petra Gheria
Meg Wynn Owen
Alexis Gheria
Peter Blythe
Dr. Vares
Artwork unavailable
Cynthia Etherington
Hilde
Artwork unavailable
Thomas Gallagher
Karel
Donald Sinden
William Pearl
Brenda Bruce
Mary Pearl
André van Gyseghem
Baxter
Artwork unavailable
Alan Bennion
The Doctor
Neil Hallett
Tom
Erin Geraghty
Michele
Artwork unavailable
Kim Goody
Karen
Artwork unavailable
Michael Newport
Simon
Artwork unavailable
Clare Austin
Alice
Artwork unavailable
Karen Newport
Caroline
Artwork unavailable
Samuel Burleigh
Colin
Artwork unavailable
Christine Pollon
Joanna
Artwork unavailable
Brent Oldfield
Tony
Mark Colleano
David
Artwork unavailable
Frank Barry
Ronnie
Artwork unavailable
Beverley Jennings
Louise
Claire Bloom
Amelia Lornan
Robert James
Redvale
Jean Anderson
Mrs. Redvale
Nora Nicholson
Miss Pendleham
Artwork unavailable
Dave Griffiths
Executioner
Artwork unavailable
Brenda Bodman
Child
Artwork unavailable
Linette Meredith
Child
Artwork unavailable
Jimmy Meacher
Child
Ronald Hines
Gerald Banstead
Michele Dotrice
Phrynne Banstead
Jerold Wells
Don Pascoe
Artwork unavailable
Pauline Letts
Mrs. Pascoe
Artwork unavailable
Keith Pyott
Commander Shotcroft
Roy Dotrice
Douglas Stone
Christopher Benjamin
Algy Somerville
David Graham
Dr. Hamid Ali
Artwork unavailable
Malcolm Rogers
John
Artwork unavailable
Deddie Davies
Yvonne
Artwork unavailable
Bart Allison
Pim
Charles Workman
Lord Sannox
Diane Cilento
Lady Sannox