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Vincent Price as Dr. Warren Chapin |
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Philip Coolidge as Oliver 'Ollie' Higgins |
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Judith Evelyn as Mrs. Martha Ryerson Higgins |
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Darryl Hickman as David Morris |
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Pamela Lincoln as Lucy Stevens |
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Patricia Cutts as Isabel Stevens Chapin |
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William Castle as Prologue Host (uncredited) |
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Bob Gunderson as Ryerson - Screaming Convict (uncredited) |
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Dal McKennon as Projectionist (uncredited) |
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Leon Alton as Member of Silent Movie Audience (uncredited) |
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Gertrude Astor as Member of Silent Movie Audience (uncredited) |
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Richard Barthelmess as David Kinemon (archive footage) (uncredited) |
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Gail Bonney as Member of Silent Movie Audience (uncredited) |
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Pat Colby as Member of Silent Movie Audience (uncredited) |
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George DeNormand as Member of Silent Movie Audience (uncredited) |
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Amy Fields as Member of Silent Movie Audience (uncredited) |
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Clarence Straight as Member of Silent Movie Audience (uncredited) |
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Ernest Torrence as Luke Hatburn (archive footage) (uncredited) |
| Directing | William Castle | Director |
| Production | William Castle | Producer |
| Writing | Robb White | Screenplay |
| Costume & Make-Up | Hazel Keats | Makeup Artist |
| Costume & Make-Up | Monty Westmore | Makeup Artist |
| Directing | Herb Wallerstein | Assistant Director |
| Sound | John P. Livadary | Sound Supervisor |
| Sound | Harry D. Mills | Sound |
| Art | Clarence Peet | Property Master |
| Camera | Wilfrid M. Cline | Director of Photography |
| Art | Milton Stumph | Set Decoration |
| Art | Phillip Bennett | Art Direction |
| Sound | Von Dexter | Original Music Composer |
| Editing | Chester W. Schaeffer | Editor |
