Jacqueline Bisset
Helen
Christopher Plummer
Dr. Sherman
John Phillip Law
Steven
Sam Wanamaker
Lieut. Fields
Mildred Dunnock
Mrs. Sherman
Gayle Hunnicutt
Blanche
Elaine Stritch
Nurse
John Ronane
Dr. Rawley
Sheila Brennan
Mrs. Oates
Ronald Radd
Oates
Heather Lowe
Blind Girl
Christopher Malcolm
Policeman
Harry Van Engel
Police Photographer
Tina Simmons
Visitor (uncredited)
Peter Collinson
Director
Pat McDermott
Hairstylist
Ken Hodges
Director of Photography
David Lindup
Original Music Composer
John Smallcombe
Assistant Director Trainee
Roy Ford
Camera Operator
David Munro
Location Manager
Philip Martell
Music Director
Masada Wilmot
Wardrobe Supervisor
Patrick Heigham
Other
Brian Elvin
Camera Operator
Keith Blake
Focus Puller
Tony Tweedale
Unit Publicist
Jim Willis
Sound Mixer
Angela Allen
Continuity
Chris Carreras
Third Assistant Director
Paul Engelen
Makeup Artist
Chris Bryant
Screenplay
Rose Tobias Shaw
Casting
Disley Jones
Art Direction
Allan Scott
Screenplay
Clive Reed
Assistant Director
Josef Shaftel
Executive Producer
Raymond Poulton
Editor
Ethel Lina White
Novel
Eric Allwright
Makeup Artist
Tom Sachs
Associate Producer
Peter Shaw
Producer
Mel Dinelli
Original Film Writer
Bert Batt
Assistant Director
Derek Holding
Sound Editor
Trevor Pyke
Sound Recordist