Directed by
| Roger Corman | ||
Writing Credits
| Charles B. Griffith | ... | (screenplay) (as Charles Griffith) |
| Roger Corman | ... | (co-writer) (uncredited) |
Cast (in credits order) verified as complete
| Jonathan Haze | ... | Seymour Krelborn | |
| Jackie Joseph | ... | Audry Fulquard | |
| Mel Welles | ... | Gravis Mushnik | |
| Dick Miller | ... | Ferson Fouch | |
| Myrtle Vail | ... | Winifred Krelborn | |
| Karyn Kupcinet | ... | Shirley (as Tammy Windsor) | |
| Toby Michaels | ... | Shirley's Friend | |
| Leola Wendorff | ... | Mrs. Shiva | |
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Lynn Storey | ... | Mrs. Hortense Feuchtwanger |
| Wally Campo | ... | Sgt. Joe Fink / Narrator | |
| Jack Warford | ... | Detective Frank Stoolie | |
| Meri Welles | ... | Leonora Clyde (as Merri Welles) | |
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John Herman Shaner | ... | Dr. Phoebus Farb (as John Shaner) |
| Jack Nicholson | ... | Wilbur Force | |
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Dodie Drake | ... | Waitress |
| Rest of cast listed alphabetically: | |||
| Robert Coogan | ... | Tramp (uncredited) | |
| Jack Griffin | ... | Drunk (uncredited) | |
| Charles B. Griffith | ... | Kloy Haddock - Hold-up Man / Screaming Patient / Audrey Junior (voice) (uncredited) | |
| Frank Mills | ... | Man in Crowd Outside Shop (uncredited) | |
Produced by
| Roger Corman | ... | producer |
Music by
| Fred Katz | ||
| Ronald Stein | ... | (uncredited) |
Cinematography by
| Archie R. Dalzell | ... | (as Archie Dalzell) (photographer) |
| Vilis Lapenieks | ... | (uncredited) |
Editing by
| Marshall Neilan Jr. | ||
Art Direction by
| Daniel Haller | ||
Makeup Department
| Harry Thomas | ... | makeup |
Second Unit Director or Assistant Director
| Richard Dixon | ... | assistant director |
| Charles B. Griffith | ... | second unit director (uncredited) |
| Mel Welles | ... | second unit director (uncredited) |
Art Department
| Karl Brainard | ... | property master (as Carl Brainard) |
Sound Department
| Philip Mitchell | ... | sound recordist (as Phillip Mitchell) |
| Jim Dixon | ... | sound recordist: exterior sequences (uncredited) |