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Boris Karloff as Baron Victor Frederick Von Leppe |
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Jack Nicholson as Lt. Andre Duvalier |
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Sandra Knight as Helene / Ghost of Ilsa The Baroness Von Leppe |
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Dick Miller as Stefan |
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Dorothy Neumann as Katrina, Witch / Eric's Mother |
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Jonathan Haze as Gustaf |
| Production | Harvey Jacobson | Executive Producer |
| Production | ფრენსის ფორდ კოპოლა | Associate Producer |
| Directing | Roger Corman | Director |
| Production | Monte Hellman | Location Manager |
| Sound | Ronald Stein | Original Music Composer |
| Sound | Ronald Stein | Conductor |
| Visual Effects | Donald C. Glouner | Visual Effects Producer |
| Sound | Les Baxter | Music |
| Production | Roger Corman | Producer |
| Costume & Make-Up | Marjorie Corso | Costume Design |
| Camera | John M. Nickolaus Jr. | Director of Photography |
| Art | Harry Reif | Set Decoration |
| Editing | Stuart O'Brien | Editor |
| Art | Daniel Haller | Art Direction |
| Writing | Jack Hill | Screenplay |
| Writing | Leo Gordon | Screenplay |
| Art | Richard M. Rubin | Property Master |
| Directing | Paul Rapp | Assistant Director |
| Sound | John L. Bury | Sound |
| Crew | Dennis Jakob | Stunt Double |
| Art | Paul Julian | Title Designer |
