Directed by
| Curtis Harrington | ||
Writing Credits
| Henry Farrell | ... | (teleplay) |
| Henry Farrell | ... | (novel) |
Cast (in credits order) verified as complete
| Anthony Perkins | ... | Allan | |
| Julie Harris | ... | Katherine | |
| Joan Hackett | ... | Olive | |
| Kent Smith | ... | Raymond | |
| Robert H. Harris | ... | Dr. Ellins | |
| Molly Dodd | ... | Inmate | |
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Billy Bowles | ... | Harold Dennis |
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Trent Dolan | ... | Eric |
| Bill Erwin | ... | Dr. Ames (as William Erwin) | |
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Jeannette Howe | ... | Katherine - Child |
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Kenneth Lawrence | ... | Allan - Child |
| Rest of cast listed alphabetically: | |||
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Charles Briles | ... | (uncredited) |
Produced by
| George Edwards | ... | producer |
| Aaron Spelling | ... | executive producer |
Music by
| Laurence Rosenthal | ||
Cinematography by
| Fleet Southcott | ... | director of photography |
Editing by
| Richard W. Farrell | ... | (as Richard Farrell) |
Art Direction by
| Tracy Bousman | ||
Set Decoration by
| Ken Swartz | ||
Costume Design by
| Robert Harris Sr. | ||
| Jerrie Woods | ||
Makeup Department
| Ted Coodley | ... | makeup artist |
Production Management
| Norman Henry | ... | executive in charge of production |
| Jim Lane | ... | production manager |
Second Unit Director or Assistant Director
| Bruce Fowler Jr. | ... | assistant director (as Bruce Fowler) |
Art Department
| Jesse Stone | ... | construction coordinator |
| Bill Wainess | ... | property master (as William Wainess) |
Sound Department
| Gene Eliot | ... | sound editor |
| Bill Ford | ... | sound engineer |
Special Effects by
| Joe Lombardi | ... | special effects |
Visual Effects by
| John Franco Jr. | ... | visual consultant |
Casting Department
| Betty Martin | ... | casting supervisor |
Editorial Department
| Art Seid | ... | editorial supervisor |
Music Department
| George Duning | ... | music supervisor |
| Rocky Moriana | ... | music editor |
Script and Continuity Department
| Alan Greedy | ... | script supervisor (as Allan Greedy) |
Additional Crew
| Paulle Clark | ... | assistant to producer |