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
Director
Terry Bishop
Screenplay
Peter Fraser
Robert Dunbar
Producer
Original Music Composer
William Davies
Director of Photography
Peter Hennessy
Editor
Helga Cranston
Art Direction
Joseph Bato
Makeup Artist
Jimmy Evans
Hairdresser
Joyce James
Production Manager
Jacques de Lane Lea
Assistant Director
Frank Ernst
Sound Mixer
Buster Ambler
Camera Operator
Gerry Massy-Collier