Directed by
| Javier Setó | ... | (as Xavier Setó Casanova) |
Writing Credits
| Santiago Moncada | ... | (story) and |
| Javier Setó | ... | (story) (as Xavier Setó) |
| Santiago Moncada | ... | (screenplay) & |
| Javier Setó | ... | (screenplay) (as Xavier Setó) and |
| Gianfranco Clerici | ... | (screenplay) |
Cast (in credits order)
| Larry Ward | ... | Peter / John | |
| Teresa Gimpera | ... | Denise | |
| Giacomo Rossi Stuart | ... | Gert Muller (as Jack Stuart) | |
| Fernando Sánchez Polack | ... | Comisario | |
 |
Eugenio Navarro | ... | Dr. Durán |
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Javier de Rivera | ... | Dr. Hernández (as Javier Rivera) |
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José Bastida | ... | Peter / John (set ups) |
| Silvana Venturelli | ... | Annie | |
Produced by
| Diego Alchimede | ... | line producer (as Diego Alchimedi) |
| Rafael Vázquez | ... | line producer |
Music by
| Franco Micalizzi | ||
Cinematography by
| Antonio Piazza | ||
Editing by
| Gaby Peñalba | ||
Set Decoration by
| Arrigo Equini | ||
Costume Design by
| Humberto Cornejo | ||
Makeup Department
| Toñy Nieto | ... | assistant makeup artist (as Antonita Nieto) |
| Adolfo Ponte | ... | makeup artist (as Adolfo Ponte Mancini) |
Production Management
| Bruno Evangelisti | ... | production supervisor |
Second Unit Director or Assistant Director
| Gonzalo Delgrás hijo | ... | assistant director (as Gonzalo Delgrás Robles) |
| Cesare Semprebene | ... | assistant director |
Art Department
| Antonio Soriano | ... | property master |
Sound Department
| Jesús Jiménez | ... | sound engineer (as Jesus Gimenez) |
Camera and Electrical Department
| Pedro Martín | ... | camera operator |
| Manuel Mateos | ... | assistant camera |
| Luis Ruiz Ibáñez | ... | still photographer (as Luis R. Ibañez) |
Costume and Wardrobe Department
| Eladia Jara | ... | set costumer |
Editorial Department
| María Carmen Ripoll | ... | assistant editor (as Carmen Ripoll) |
Music Department
| Franco Micalizzi | ... | conductor |
Script and Continuity Department
| Ángela Cristóbal | ... | script supervisor |
Additional Crew
| Rafael de Penagos | ... | dubbing director |
| Bruno Evangelisti | ... | production assistant |
| Joaquín Burgos | ... | voice dubbing (uncredited) |
| Rafael de Penagos | ... | voice dubbing: Giacomo Rossi Stuart and Javier de Rivera (uncredited) |
| Benjamín Domingo | ... | voice dubbing: Eugenio Navarro/various (uncredited) |
| José Guardiola | ... | voice dubbing: Larry Ward (uncredited) |
| Josefina de Luna | ... | voice dubbing: Teresa Gimpera (uncredited) |
