Directed by
| Harry Revier | ||
Writing Credits
| Zelma Carroll | ... | (story) and |
| George M. Merrick | ... | (story) and |
| Robert Dillon | ... | (story) |
| Perley Poore Sheehan | ... | (screenplay) (as Perley Sheehan) and |
| Eddie Granemann | ... | (screenplay) and |
| Leon D'Usseau | ... | (screenplay) |
Cast (in credits order) complete, awaiting verification
| William 'Stage' Boyd | ... | Dr. Zolok | |
| Kane Richmond | ... | Bruce Gordon | |
| Claudia Dell | ... | Natcha Manyus | |
| Josef Swickard | ... | Dr. Manyus | |
 |
Sam Baker | ... | Hugo |
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Eddie Fetherston | ... | Jerry Delaney |
| Billy Bletcher | ... | Gorzo | |
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Jerry Frank | ... | Appollon |
| George 'Gabby' Hayes | ... | Butterfield (as George Hayes) | |
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William Millman | ... | Dr. Colton |
| Ralph Lewis | ... | Prof. Reynolds | |
| Milburn Morante | ... | Andrews | |
| Gino Corrado | ... | Sheik Ben Ali | |
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Margot D'Use | ... | Queen Rama |
| Rest of cast listed alphabetically: | |||
| Everett Brown | ... | Boyo - a Giant [Chs. 1-2, 10-12] (uncredited) | |
| Edwards Davis | ... | Scientist [Ch. 1] (uncredited) | |
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Curley Dresden | ... | Arab Henchman (uncredited) |
| Henry Hall | ... | Army General (uncredited) | |
| Eric Mayne | ... | Scientist (uncredited) | |
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Albert Pollet | ... | Gendarme (uncredited) |
Produced by
| Sherman S. Krellberg | ... | producer |
Music by
| Lee Zahler | ... | (uncredited) |
Cinematography by
| Edward Linden | ||
| Roland Price | ||
Editing by
| Holbrook N. Todd | ... | (as Holbrook Todd) |
Art Direction by
| Ralph Berger | ||
Production Management
| George M. Merrick | ... | production manager (as Geo. M. Merrick) |
Second Unit Director or Assistant Director
| Richard L'Estrange | ... | assistant director (as Dick L'Estrange) / assistant director |
| William L. Nolte | ... | assistant director (as Wm Nolte) / assistant director |
Art Department
| Ken Strickfaden | ... | set designer |
Sound Department
| Clifford A. Ruberg | ... | sound (as Cliff Ruberg) / sound |
Special Effects by
| Ken Strickfaden | ... | electrical effects / special effects: electrical (as K. Strickfaden) |
| Norman Dawn | ... | special effects (uncredited) |
Music Department
| Lee Zahler | ... | musical director (uncredited) |
Script and Continuity Department
| Leon D'Usseau | ... | continuity |
| Eddie Granemann | ... | continuity (as Eddy Graneman) |
| Perley Poore Sheehan | ... | continuity |
Additional Crew
| James Altwies | ... | technical director (as James Altweis) |
| Zelma Carroll | ... | dialogue director |
| Sherman S. Krellberg | ... | presenter |
