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