Margot Kidder
Danielle Breton / Dominique Blanchion
Margot Kidder
Danielle Breton / Dominique Blanchion
Jennifer Salt
Grace Collier
Charles Durning
Joseph Larch
William Finley
Emil Breton
Lisle Wilson
Phillip Woode
Barnard Hughes
Arthur McLennen
Mary Davenport
Mrs. Collier
Dolph Sweet
Detective Kelly
Olympia Dukakis
Louise Wilanski
Catherine Gaffigan
Arlene
Bobby Collins
Cathy Berry
Lobster child (uncredited)
Art Evans
African Room Waiter (uncredited)
Justine Johnston
Elaine D'Anna (uncredited)
James Mapes
Guard (uncredited)
Laun Maurer
Druggist (uncredited)
Bob Melvin
Extra (uncredited)
Burt Richards
Hospital Attendant (uncredited)
Brian De Palma
Director
Brian De Palma
Screenplay
Edward R. Pressman
Producer
Louisa Rose
Screenplay
Bernard Herrmann
Original Music Composer
Gregory Sandor
Director of Photography
Paul Hirsch
Editor
Lynn Pressman-Raymond
Associate Producer
Robert Rohdie
Associate Producer
Brian De Palma
Original Story
Sylvia Fay
Casting
Alan Hopkins
Assistant Director
Russell Arthur
Sound Recordist
John Fox
Sound Editor
Dick Vorisek
Sound Mixer
Susan Braddon
Assistant Editor
Gary Weist
Production Design
Jeanne Richmond
Key Makeup Artist