David Martens
Keith Andes
Sally Meadows
Hazel Court
Bullock
Richard Pearson
Freddie
George Benson
Tessa
Diane Bester
Inspector Duncan
Howard Marion-Crawford
Sergeant Anderson
Neil Hallett
Hospital Sister
Annabel Maule
Lock-Keeper
Charles Lamb
Annabelle Meadows
Jean Aubrey
Kingsley Beauchamp
Michael Gough
Diane Leigh
Julia Arnall
Costard
Edwin Richfield
Madeleine Dupont
Patricia Jessel
George
Peter Hammond
Podd
Alfred Burke
Betty Costard
Barbara Archer
Screenplay
Terry Bishop
Peter Fraser
Director
Robert Dunbar
Art Direction
Joseph Bato
Camera Operator
Gerry Massy-Collier
Producer
Director of Photography
Peter Hennessy
Makeup Artist
Jimmy Evans
Hairdresser
Joyce James
Editor
Helga Cranston
Original Music Composer
William Davies
Sound Mixer
Buster Ambler
Production Manager
Jacques de Lane Lea
Assistant Director
Frank Ernst