- John Twistscreenplay
- John Twistoriginal story and
- George Worthing Yatesoriginal story
- Brad Dexter(as Barry Mitchell)
Rest of cast listed alphabetically
- Eddie Abdo(uncredited)
- Billy Bletcher(uncredited)
- Mary Bradley(uncredited)
- Norma Brown(uncredited)
- Ann Cameron(uncredited)
- Dolores Castelli(uncredited)
- George Chandler(uncredited)
- Leslie Charles(uncredited)
- Gordon B. Clarke(uncredited)
- Norma Creiger(uncredited)
- Wade Crosby(uncredited)
- Lida Durova(uncredited)
- Joe Garcio(uncredited)
- Paul Guilfoyle(uncredited)
- Chuck Hamilton(uncredited)
- Harry Harvey(uncredited)
- Jamiel Hasson(uncredited)
- Louis Jean Heydt(uncredited)
- Dave Kashner(uncredited)
- Cy Kendall(uncredited)
- Vonne Lester(uncredited)
- Jean Lind(uncredited)
- George Lloyd(uncredited)
- Al Murphy(uncredited)
- Hugh Prosser(uncredited)
- Milly Reauclaire(uncredited)
- Norbert Schiller(uncredited)
- Bill Shannon(uncredited)
- Charles Soldani(uncredited)
- Charles Stevens(uncredited)
- Glenn Strange(uncredited)
- Nick Thompson(uncredited)
- Max Wagner(uncredited)
- Phil Warren(uncredited)
- Joan Webster(uncredited)
- Ben Welden(uncredited)
- Stephen Amesproducer
- George Barnesdirector of photography
- Claude E. Carpenterset decorator (as Claude Carpenter) (set decorations)
- Darrell Silveraset decorator (set decorations)
- Edward Stevensoncostume designer (gowns)
- Gordon Baumakeup supervisor
- Bill Phillipsmakeup artist (uncredited)
- Lloyd Richardsassistant director
- George Big Jim Saundersspecial effects
- Vernon L. Walkerspecial effects
- Harold E. Wellmanspecial effects (as Harold Wellman)
- Jimmy Dimestunts (uncredited)
- Mary Jane Frenchstunts: Maureen O'Hara (uncredited)
- David Sharpestunt coordinator (uncredited)
- Dwight Franklincostumes: men's
- Eugene Joseffjeweller (uncredited)
- Natalie Kalmuscolor director: Technicolor
- Morgan Padelfordassociate color director: Technicolor
- Sherman Toddeditorial supervisor
- C. Bakaleinikoffmusical director
- Fred F. Ellismarine technical director (as Capt. Fred F. Ellis Ret. B.M.M.)
- Edward Killyproduction assistant
- Pierre Assofrench voice dubbing: Walter Slezak (uncredited)
- Henri Bottafrench voice dubbing: Mike Mazurki (uncredited)
- Madeleine Brinyfrench voice dubbing: Jane Greer (uncredited)
- Emilio Cigoliitalian voice dubbing: Anthony Quinn (uncredited)
- Olinto Cristinaitalian voice dubbing: Walter Slezak (uncredited)
- Marianne Georgesfrench voice dubbing: Maureen O'Hara (uncredited)
- Jean Lemarguyfrench voice dubbing: Alan Napier (uncredited)
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