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Bill Rogers as John Stone |
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Elizabeth Wilkinson as Helene Stone |
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William Kerwin as Dr. Hank Tyson (as Thomas Wood) |
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Lawrence Tobin as Detective Crane |
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Ted Schell as Lord Gold |
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Otto Schlessinger as Dr. Howard Helsing |
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Eleanor Vaill as Hester Avery |
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Herschell Gordon Lewis as The Limey Seaman / Baron Khron (voice) (as Seymour Sheldon) |
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Dolores Carlos as Sherri Morris |
| Directing | Herschell Gordon Lewis | Director |
| Production | Herschell Gordon Lewis | Producer |
| Production | William Kerwin | Production Manager |
| Directing | Allison Louise Downe | Assistant Director |
| Sound | Larry Wellington | Music |
| Writing | Allison Louise Downe | Writer |
| Writing | Donald Stanford | Writer |
| Editing | Richard Brinkmann | Editor |
