Directed by
| Mel Welles | ||
Writing Credits
| Mel Welles | ... | (story and screenplay) (as Ira Meltcher) |
| Ernst Ritter von Theumer | ... | (screenplay) (as Ernst v. Theumer) |
| Stephen Schmidt | ... | (uncredited) |
Cast (in credits order) complete, awaiting verification
| Cameron Mitchell | ... | Baron von Weser | |
| Elisa Montés | ... | Beth Christiansen (as Elisa Montes) | |
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Jorge Martín | ... | David Moss (as George Martin) |
| Kai Fischer | ... | Cora Robinson (as Kay Fischer) | |
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Rolf von Nauckhoff | ... | James Robinson (as Ralph Naukoff) |
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Hermann Nehlsen | ... | Prof. Julius Demerist (as Herman Nelsen) |
| Matilde Muñoz Sampedro | ... | Myrtle Callahan (as Matilde Sampedro) | |
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Ricardo Valle | ... | Alfredo (as Richard Valle) |
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Mike Brendel | ... | Baldi / Baldi's Brother |
Produced by
| George Ferrer | ... | producer (as Georg Ferrer) |
| Ernst Ritter von Theumer | ... | producer (uncredited) |
Music by
| Antón García Abril | ... | (as A. Garcia Abril) |
| José Muñoz Molleda | ... | (uncredited) |
Cinematography by
| Cecilio Paniagua | ||
| Juan Mariné | ... | (uncredited) |
Editing by
| Antonio Cánovas | ||
| Siegfrid Krämer | ... | (German version) |
Art Direction by
| Francisco Canet | ||
Set Decoration by
| Francisco Canet | ... | (uncredited) |
Makeup Department
| Juana Culell | ... | makeup artist |
Production Management
| Enrique F. Sagaseta | ... | production manager |
Second Unit Director or Assistant Director
| Juan Ignacio Galván | ... | assistant director |
| Fanny Wessling | ... | assistant director (as Fanny Wesling) |
Camera and Electrical Department
| Víctor Benítez | ... | still photographer |
| Francisco Beringola | ... | camera assistant |
| Isidro Muro | ... | camera assistant |
| Eduardo Noé | ... | camera operator (as Eduardo Noe) |
Costume and Wardrobe Department
| Anita Pedrola | ... | tailor (uncredited) |
Script and Continuity Department
| María Luz Manzano | ... | script supervisor (as Mari Luz Manzano) |
| Maria Dolores Proubasta | ... | script supervisor (uncredited) |
Additional Crew
| Jose M. Baldasano | ... | contable |
| Enrique Bellot | ... | production assistant |
| Ingo Hermes | ... | dialogue director |