Directed by
| Roberto Bianchi Montero | ||
Writing Credits (in alphabetical order)
| Luigi Angelo | ||
| Aldo Crudo | ||
| Fabio De Agostini | ||
Cast (in credits order)
| Klaus Kinski | ... | Hans Fischer | |
| Antonio Sabato | ... | Paul Valéry / Frank Vogel | |
| Van Johnson | ... | Prof. Orson Krüger | |
| Lucretia Love | ... | Gloria | |
 |
Teodoro Corrà | ||
| Goffredo Unger | ... | (as Fredy Unger) | |
| Franco Marletta | |||
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Claudio Biava | ||
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Brigitte Brandt | ||
| Rest of cast listed alphabetically: | |||
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|
W.E. Arnold | ||
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Romali Perihan | ... | (as Peri-han) |
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Rossana Canghiari | ... | Restaurant Customer (uncredited) |
|
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Nestore Cavaricci | ... | Policeman (uncredited) |
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Raoul Retzer | ... | Viennese Police Chief at Phone (uncredited) |
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Maria Tedeschi | ... | Party Guest (uncredited) |
Produced by
| Luigi Mondello | ... | producer |
Music by
| Carlo Savina | ||
Cinematography by
| Fausto Rossi | ||
Editing by
| Rolando Salvatori | ||
Production Design by
| Mimmo Scavia | ||
Production Management
| Roberto Capitani | ... | production manager |
| Augusto Dolfi | ... | production supervisor |
| Rinaldo Scorcelletti | ... | production secretary |
Second Unit Director or Assistant Director
| Mario Bianchi | ... | assistant director |
Camera and Electrical Department
| Ermanno Serto | ... | still photographer |
Script and Continuity Department
| Marisa Agostini | ... | script supervisor |
Additional Crew
| Sergio Graziani | ... | voice dubbing: Klaus Kinski (uncredited) |
