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Enrique Rambal as Juan Gaudio |
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Rosario Granados as Inés Montecruz |
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Carlos López Moctezuma as Don Gonzalo |
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Andrés Soler as Cinocéfalo |
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Queta Lavat as Nurse |
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Carlos Riquelme as Licenciado |
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José Muñoz as Detective Ramírez |
| Crew | Raúl Martínez Solares | Cinematography |
| Art | Jesús Bracho | Art Direction |
| Sound | Raúl Lavista | Music |
| Editing | Jorge Bustos | Editor |
| Costume & Make-Up | Sara Mateos | Makeup & Hair |
| Production | Felipe Subervielle | Producer |
| Sound | Luis Fernández | Sound |
| Directing | Juan Bustillo Oro | Director |
| Production | Salvador Elizondo | Producer |
| Writing | Juan Bustillo Oro | Writer |
