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Chuck Connors as Professor Roger Osborne |
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Bo Svenson as Count Silvano |
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Robert Ginty as Gondrand |
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Suzanne Andrews as Lysia |
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Stanley Kapoul as Sam |
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Dora Doll as Dorine |
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Henri Lambert as Majordomo |
| Directing | Andrea Bianchi | Director |
| Writing | Georges Friedland | Screenplay |
| Production | Daniel Lesoeur | Producer |
| Sound | Luis Bacalov | Music |
| Editing | Jean François Hautin | Editor |
| Production | Marius Lesoeur | Production Manager |
| Directing | Arnould Delmotte | Assistant Director |
| Directing | Christian Montabrun | Assistant Director |
| Crew | Tom Anouk | Special Effects |
| Crew | N.B. White | Special Effects |
| Crew | Jo Pennon | Stunts |
| Writing | H.L. Rostaine | Screenplay |
| Writing | Marius Lesoeur | Story |
| Camera | Henry Frogers | Director of Photography |
