Directed by
| Roberto Mauri | ||
Writing Credits
| Jameson Brewer | ... | (writer) (as James Brewer) & |
| Gianfranco Parolini | ... | (writer) (as Robert F. Atkinson) & |
| Manfred R. Köhler | ... | (writer) |
| Paul Alfred Müller | ... | (novel) (as Bert F. Island) |
Cast (in credits order) verified as complete
| Tony Kendall | ... | Jo Walker / Kommissar X | |
| Brad Harris | ... | Capt. Tom Rowland | |
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Monica Pardo | ... | Kathin Russell |
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Loni Heuser | ... | Maud Leighton |
| Hansi Linder | ... | Phyllis Leighton | |
| Herbert Fux | ... | Fingers - Killer #1 | |
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Giuseppe Mattei | ... | Curly - Killer #2 (as Pino Mattei) |
| Walter Brandi | ... | Armand Landru | |
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Rotraut de Nève | ... | Petra Behrends |
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Carlos de Castro | ... | Frank Waheed |
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Vilaiwan Vatanapanich | ... | Madam Kim Soo |
| Rest of cast listed alphabetically: | |||
| Hannelore Auer | ... | Walker's Girlfriend in United States (uncredited) | |
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James E. Boogle | ... | Silk Merchant (uncredited) |
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Bandithit Lidhisen | ... | Hotel Manager (uncredited) |
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Kunjai Ninakanit | ... | Siraki (uncredited) |
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Chana Sriubol | ... | Inspector Sarit (uncredited) |
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Marsh Thomson | ... | Mezanto (uncredited) |
Produced by
| Peter Homfeld | ... | executive producer |
| Robert Saxton | ... | presentation producer (english version) |
| Theo Maria Werner | ... | producer (as Theo M. Werner) |
| Ralph Zucker | ... | executive producer |
Music by
| Roberto Pregadio | ||
| Francesco De Masi | ... | (uncredited) |
Cinematography by
| Francesco Izzarelli | ||
Editing by
| Sandro Lena | ||
Production Design by
| Niko Matul | ... | (uncredited) |
Art Direction by
| Nino Borghi | ||
Stunts
| Brad Harris | ... | stunts (uncredited) |
Camera and Electrical Department
| Rüdiger Meichsner | ... | camera operator |
Editorial Department
| Nella Nannuzzi | ... | assistant editor (uncredited) |
Additional Crew
| Lothar Blumhagen | ... | voice dubbing: Marsh Thomson (uncredited) |
| Rainer Brandt | ... | voice dubbing: Brad Harris (uncredited) |
| Karlheinz Brunnemann | ... | voice dubbing: Taxi Driver/Man on Telephone/Airport Announcement (uncredited) |
| Wolfgang Draeger | ... | voice dubbing: Bellboy/Cab Driver/Policeman/Island Warden/Landru's Assistant/Driver Chartered Boat (uncredited) |
| Gerd Duwner | ... | voice dubbing: Midget Doorman/Bird Seller/Bespectacled Man in Boat (uncredited) |
| Almut Eggert | ... | voice dubbing: Rotraud de Nève (uncredited) |
| Brigitte Grothum | ... | voice dubbing: Kunjai Ninakanit (uncredited) |
| Beate Hasenau | ... | voice dubbing: Monica Pardo (german version) (uncredited) |
| Gert Günther Hoffmann | ... | voice dubbing: Tony Kendall (uncredited) |
| Claus Jurichs | ... | voice dubbing: Man on Ship (uncredited) |
| Arnold Marquis | ... | voice dubbing: Walter Brandi (uncredited) |
| Gerd Martienzen | ... | voice dubbing: Herbert Fux (uncredited) |
| Edgar Ott | ... | voice dubbing: Roberts (uncredited) |
| Jürgen Thormann | ... | voice dubbing: Giuseppe Mattei (uncredited) |
