Directed by
| Nunzio Malasomma | ||
Writing Credits (in alphabetical order)
| Sergio Amidei | ... | (screenplay) |
| Josef Maria Frank | ... | (play) |
| Nunzio Malasomma | ... | (screenplay) |
Cast (in credits order)
| Vivi Gioi | ... | La dottoressa Virginia Larsen | |
| Albrecht Schoenhals | ... | Il dottor Dos Passos / Pietro Fischer (as Alberto Schoenhals) | |
| Rudolf Fernau | ... | Il dottor Jack Bennett (as Rodolfo Fernau) | |
| Mario Ferrari | ... | Il professore Foster | |
| Camillo Pilotto | ... | Il governatore Parker | |
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Lauro Gazzolo | ... | Will Rubber, il giornalista |
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Mario Brizzolari | ... | Il dottore Gomez |
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Karl Günther | ... | Giulio Sedgwick |
| Rest of cast listed alphabetically: | |||
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Louis Brody | ... | Je-Crois-En-Dieu, l'indigeno |
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Alfredo Martinelli | ... | Golder, l'impiegato della banca |
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Giulia Martinelli | ... | Una fanciulla indigena |
Music by
| Werner Bochmann | ... | (German version) |
| Enzo Masetti | ||
Cinematography by
| Georg Krause | ... | (as Giorgio Kreuse) |
Editing by
| Duilio A. Lucarelli | ||
Production Design by
| Guido Fiorini | ||
Art Direction by
| Camillo Del Signore | ||
Costume Design by
| Fabrizio Ruffo | ||
Production Management
| Piero Caserini | ... | production manager |
Art Department
| Italo Tomassi | ... | scene painter (uncredited) |
Sound Department
| Ovidio Del Grande | ... | sound |
Camera and Electrical Department
| Carlo Nebiolo | ... | camera operator |
Music Department
| Ugo Giacomozzi | ... | conductor |
Additional Crew
| Mario Besesti | ... | italian voice dubbing: Karl Günther (uncredited) |
| Emilio Cigoli | ... | italian voice dubbing: Albrecht Schoenhals (uncredited) |
| Augusto Marcacci | ... | italian voice dubbing: Rudolf Fernau (uncredited) |