Directed by
| Santiago Aguilar | ... | (as Cuadlilla Amalilla) (as La Escuadlilla Amarilla) |
| Raúl Barbé | ... | (as Cuadlilla Amalilla) (as La Escuadlilla Amarilla) |
| Luis Guridi | ... | (as Cuadlilla Amalilla) (as La Escuadlilla Amarilla) |
Writing Credits (in alphabetical order)
| Santiago Aguilar | ... | (as Cuadlilla Amalilla) |
| Raúl Barbé | ... | (as Cuadlilla Amalilla) |
| Luis Guridi | ... | (as Cuadlilla Amalilla) |
Cast (in credits order)
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Camilo Barbé | ... | Sir Nayland Smith |
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Leonor Ramos | ... | La hija de Fu-Manchú |
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Antonio Junco | ... | Antoine |
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María Castelló | ... | Corinne |
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Fausto Talón | ... | Mentor |
| Francisco Maestre | ... | (as Paco Maestre) | |
| Paul Naschy | ... | Dr. Fu-Manchú | |
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Javier Jiménez | ||
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J.M. Benito | ... | (as J.M.A. Benito) |
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Miguel Ángel Trujillo | ... | (as Miguel Angel Trujillo) |
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Valentina Lorenzo | ... | Amazona Gong |
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Patricia Valcárcel | ... | Amazona (as Patricia Valcarcel) |
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Ángeles García | ... | Amazona |
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Olga Margallo | ... | Amazona del Si-Fan |
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Sara Bilbatua | ... | Amazona del Si-Fan (as Sara Bilbatúa) |
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Palmira Ferrer | ... | Amazona |
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Ana Fernández | ... | Amazona |
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Jaime Otero | ... | Policía |
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Tin Sierra | ... | Policía |
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Paco García | ... | Policía |
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Emiliano Santamaría | ... | Policía |
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Rafael Bolaños | ... | Karateka |
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Gerónimo Gallardo | ... | Karateka |
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María del Carmen Delgado | ... | Karateka (as Mª Carmen Delgado) |
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Mario Monedero | ... | Karateka |
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Bong Aquino | ... | Karateka |
| Rest of cast listed alphabetically: | |||
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Laura Bullejos | ... | Niña (as Laurita Bullejos) |
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Luis Labrador | ... | Fumanchu's soldier (uncredited) |
Music by
| Rodrigo de Lorenzo | ||
Cinematography by
| Flavio Martínez Labiano | ||
Editing by
| Cristina Otero Roth | ... | (as Cristina Otero) |
Special Effects by
| Luis Labrador | ... | special effects makeup |