Directed by
| Ramón Fernández | ... | (as Ray Feder) |
Writing Credits (in alphabetical order)
| A. Di Risso | ... | (screenplay) |
| A. Di Risso | ... | (story) |
| Ramón Fernández | ||
| Giovanni Scolaro | ... | (screenplay) |
| Giovanni Scolaro | ... | (story) |
| Enrique Urrutia | ||
Cast (in credits order)
 |
Paolo Gozlino | ... | Bill Howard (as Paul Stevens) |
|
|
Betsy Bell | ... | Virna Montesse |
| Rubén Rojo | ... | Al Monks / Domenico Lomonaco | |
| Nieves Navarro | ... | Karin Foster | |
| George Hilton | ... | Mike Russo | |
| José Marco | ... | Don Pietro Salminci | |
| Mario Donen | ... | Max Cargo | |
|
|
Marisol Ayuso | ... | Sonya |
|
|
Julio Pérez Tabernero | ... | 'Central de Milán' (as Julio P. Tabernero) |
| Francisco Sánchez | ... | Cónsul Harry Jones | |
|
|
Fajda Nicol | ... | Fajda (as Faida Nichols) |
| Emilio Rodríguez | ... | Agente de la CIA en Hong Kong | |
| Rufino Inglés | ... | Dueño albergue | |
|
|
Margaret Lhy | ... | Novia de Bill en avión |
|
|
Mery Leyva | ... | Clelia |
| Rest of cast listed alphabetically: | |||
|
|
Elisabetta Wu | ... | Azafata (as Elizabeth Wu) |
| Claudia Gravy | ... | Secretaria del cónsul (uncredited) | |
Produced by
| Enrique Urrutia | ... | producer |
Music by
| José Torregrosa | ||
Cinematography by
| Aldo De Robertis | ||
Editing by
| Nella Nannuzzi | ||
Stunts
| Giancarlo Ukmar | ... | stunts (uncredited) |
Additional Crew
| Ángel María Baltanás | ... | voice dubbing: Rubén Rojo (uncredited) |
| Manuel de Juan | ... | voice dubbing (uncredited) |
| Angelina Gatell | ... | voice dubbing: Elisabetta Wu and Mery Levya (uncredited) |
| Mari Ángeles Herranz | ... | voice dubbing (uncredited) / voice dubbing: Betsy Bell (uncredited) |
| Celia Honrubia | ... | voice dubbing: Nieves Navarro (uncredited) |
| Luis María Lasala | ... | voice dubbing: George Wang (uncredited) |
| Jesús Nieto | ... | voice dubbing: George Hilton (uncredited) |
| Conchita Pardiñas | ... | voice dubbing (uncredited) |
| Josefina Ragel | ... | voice dubbing: Margaret Lhy (uncredited) |
| Simón Ramírez | ... | voice dubbing: Paolo Gozlino (uncredited) |
| Carlos Revilla | ... | voice dubbing: Mario Donen (uncredited) |
| María Luisa Rubio | ... | voice dubbing: Marisol Ayuso (uncredited) |
| Ana María Saizar | ... | voice dubbing: Fajda Nicol (uncredited) |
| Francisco Sánchez | ... | voice dubbing: José Marco (uncredited) |
| Manuel Torremocha | ... | voice dubbing (uncredited) |
| Joaquín Vidriales | ... | voice dubbing: Julio Pérez Tabernero (uncredited) |
