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Arturo de Córdova as Dr. Pablo Morales |
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Amparo Rivelles as Mrs. Morales |
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Elda Peralta as Señorita Castro |
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Guillermo Orea as Profesor de Historia |
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Rosenda Monteros as Meche, Sirvienta |
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Luis Aragón as Elodio el Cuñado |
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Mercedes Pascual as Lourditas Mendiolea |
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Antonio Bravo as Padre Artemio Familiar |
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Angelines Fernández as Clara, Hermana de Gloria |
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Armando Arriola as Don Amado |
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Paz Villegas as La Otra Sra. Mendiolea |
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Roberto Meyer as Historiador |
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Pepita González as Amiga de Gloria, Testiga Contra Pablo |
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León Barroso as Dr. Quiñones |
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Manuel Alvarado as Cantinero (uncredited) |
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Humberto Dupeyrón as Niño (uncredited) |
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Armando Gutiérrez as Maestro (uncredited) |
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Roger López as Abogado Defensor (uncredited) |
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Jorge Mondragón as Fiscal (uncredited) |
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Mario Sevilla as Juez (uncredited) |
| Directing | Rogelio A. González | Director |
| Writing | Arthur Machen | Story |
| Writing | Luis Alcoriza | Writer |
| Crew | Mário Aguilar Reed | Technical Advisor |
| Costume & Make-Up | Ana Guerra | Makeup Artist |
| Production | Sergio Kogan | Producer |
| Sound | Luis Fernández | Sound Recordist |
| Camera | Manuel Álvarez Bravo | Still Photographer |
| Camera | Víctor Herrera | Director of Photography |
| Editing | Jorge Bustos | Editor |
| Sound | Raúl Lavista | Original Music Composer |
| Art | Edward Fitzgerald | Production Design |
| Costume & Make-Up | Juana Lepe | Hairstylist |
| Production | Armando Espinosa | Production Manager |
| Crew | Juan Muñoz Ravelo | Special Effects |
| Directing | Jaime Contreras | Assistant Director |
| Sound | James L. Fields | Sound |
| Editing | Jorge Azcárate | Assistant Editor |
