| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arthur J. Ornitz | Crew | Camera | Director of Photography |
Charles Kolb | Crew | Camera | Grip |
Edward Stewart | Crew | Art | Set Decoration |
Frank L. Thompson | Crew | Costume & Make-Up | Costume Design |
George Justin | Crew | Production | Executive In Charge Of Production |
Gerry Humphreys | Crew | Sound | Sound Mixer |
Irene Kamp | Crew | Writing | Screenplay |
Jessica Levy | Crew | Production | Casting |
Joe Raposo | Crew | Sound | Original Music Composer, Music Director |
John Victor-Smith | Crew | Editing | Editor |
Lee Trent | Crew | Costume & Make-Up | Hairstylist |
Lou Barlia | Crew | Camera | Camera Operator |
Marilyn Putnam | Crew | Costume & Make-Up | Wardrobe Supervisor |
Martin Poll | Crew | Production | Producer |
 Michael Haley | Crew | Directing | Assistant Director |
Peter Boyle | Crew | Editing | First Assistant Editor |
Peter Murton | Crew | Art | Production Design |
Philip Rosenberg | Crew | Art | Art Direction |
Ramona Stewart | Crew | Writing | Novel |
Roberta Hodes | Crew | Directing | Script Supervisor |
Saul Meth | Crew | Costume & Make-Up | Makeup Artist |
Vic Ramos | Crew | Production | Extras Casting |
 Waris Hussein | Crew | Directing | Director |
Matt Robinson | Crew | Writing | Screenplay |
Lyman Hallowell | Crew | Editing | Assistant Editor |
Alan Hopkins | Crew | Directing | Assistant Director |
Dino Di Campo | Crew | Sound | Sound Editor |
Willie Meyerhoff | Crew | Lighting | Gaffer |
Alex Hapsas | Crew | Directing | Assistant Director |
Richard Gramaglia | Crew | Sound | Sound |
Aukie Herger | Cast | Mr. Pérez | |
 Barbara Trentham | Cast | Actress | Sherry |
David Elliott | Cast | Actor | Peter Benson |
 Earle Hyman | Cast | Actor | Charles |
Edmundo Rivera Álvarez | Cast | Don Pedro | |
Ernesto Gonzalez | Cast | Actor | Young Man at Séance |
Lisa Kohane | Cast | Carrie Benson | |
Lovelady Powell | Cast | Actress | Erika |
 Michael Hordern | Cast | Actor | Justin |
 Miriam Colon | Cast | Actress | Veronica |
 Pat Ast | Cast | Actress | Mental Hospital Patient (uncredited) |
 Perry King | Cast | Actor | Joel Delaney |
Peter Turgeon | Cast | Actor | Detective Brady |
Robert Burr | Cast | Actor | Ted Benson |
 Shirley MacLaine | Cast | Actress | Norah Benson |
 Teodorina Bello | Cast | Actress | Mrs. Pérez |
Stan Watt | Cast | James | |
Paulita Iglesias | Cast | Brujo at Séance | |
Marita Lindholm | Cast | Marita Benson | |
| Person | Type | Job | Role(s) |
