Directed by
| Marcello Baldi | ||
Writing Credits (in alphabetical order)
| Marcello Baldi | ||
| Lionello De Felice | ||
| Giovanni Simonelli | ||
| Karl-Heinz Vogelmann | ... | (as Karl Heinz Vogelmann) |
Cast (in credits order)
| George Ardisson | ... | Jeff Milton | |
| Pascale Audret | ... | Florence | |
| Christa Linder | ... | Helen Remington | |
| Luciana Angiolillo | ... | Mrs. Violet Watson | |
 |
Patrick Bernhard | ... | Kidnapper (as Patrick Bernard) |
| Sal Borgese | ... | Secondo kidnapper (as Salvatore Borgese) | |
|
|
María Julia Díaz | ... | Dolores del Santos (as Maria Julia Diaz) |
|
|
Marion Grant | ... | Gloria |
|
|
Josep Castillo Escalona | ... | Ispettore Sabana (as Jose Castillo Escalona) |
|
|
Andrés Pascual Valeriano | ... | Randolf Remington (as Andres Pascual Valeriano) |
| Harald Leipnitz | ... | Alan Shepperton | |
| Horst Frank | ... | Dr. Soarez | |
| Rest of cast listed alphabetically: | |||
|
|
Moisés Augusto Rocha | ... | Thug in Car (uncredited) |
Produced by
| Wolf C. Hartwig | ... | producer |
Music by
| Piero Umiliani | ||
Cinematography by
| Rolf Kästel | ||
Editing by
| Herbert Taschner | ||
Art Direction by
| Peter Rothe | ||
Makeup Department
| Massimo Giustini | ... | makeup artist |
Production Management
| Peter Barry | ... | unit manager |
| Jesús R. Folgar | ... | unit manager (as Jesus Folgar) |
| Ludwig Spitaler | ... | production manager |
Second Unit Director or Assistant Director
| Walter Boos | ... | second unit director |
Sound Department
| Günter Bloch | ... | sound (as Günther Bloch) |
| Alfons Hartmann | ... | sound |
| Erwin Jennewein | ... | sound (as Erwin Jenewein) |
Special Effects by
| Celeste Battistelli | ... | special effects (as Celeste Batistelli) |
| Erwin Lange | ... | special effects |
Stunts
| Sal Borgese | ... | stunts (uncredited) |
Camera and Electrical Department
| Fritz Baader | ... | assistant camera |
| Klaus Werner | ... | camera operator: second unit |
