Helen
Angela Pleasence
Brady
Peter Vaughan
Anne
Lorna Heilbron
Hannah
Nancy Nevinson
John
Ronald O'Neil
Cora
Marie-Paule Mailleux
Nick
Mike Grady
Burke
Raymond Huntley
Director
José Ramón Larraz
Screenplay
Sound Re-Recording Mixer
Graham V. Hartstone
Hairstylist
Bobbie Smith
Assistant Art Director
Chris Cook
Producer
Jean L. Dupuis
ADR & Dubbing
David Campling
Camera Operator
Alan Boast
Director of Photography
Trevor Wrenn
Makeup Artist
Bunty Phillips
Sound
Trevor Carless
Art Direction
Ken Bridgeman
Ken Barker
Stanley Miller
Editor
Brian Smedley-Aston
Original Music Composer
John Scott
Barry McCormick
Story
Thomas Owen