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Arturo de Córdova as Professor Jaime Karin |
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Leticia Palma as Ada Cisneros de Romano |
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Ramón Gay as Leon Romano |
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Consuelo Guerrero de Luna as Sra. Arnold |
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Carmen Montejo as Clara Stein |
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Enriqueta Reza as Carmelita |
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Manuel Arvide as Inspector de policia |
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Bertha Lehar as Señora del Valle |
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Lonka Becker as Dueña de restaurante |
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José Arratia as Notario |
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Guillermo Ramírez as Policía |
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Ignacio García as Organista |
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Víctor Alcocer as Police (uncredited) |
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Alfonso Carti as Police (uncredited) |
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Jesús Gómez as Police (uncredited) |
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Stephen Berne as Empleado restaurante (uncredited) |
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Lidia Franco as Empleada hotel (uncredited) |
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Pascual García Peña as Pajarero (uncredited) |
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Bertha Lomelí as Clienta de Karin (uncredited) |
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Tana Lynn as Cliente rubia de Karin (uncredited) |
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María Valdealde as Clienta salón de belleza (uncredited) |
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José Luis Moreno as Niño billetero (uncredited) |
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Juan Bruno Tarraza as Pianista (uncredited) |
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Enrique Zambrano as Police Detective (uncredited) |
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Nicolás Rodríguez as Abogado |
| Writing | Luis Spota | Story |
| Directing | Roberto Gavaldón | Director |
| Writing | Roberto Gavaldón | Writer |
| Writing | José Revueltas | Writer |
| Sound | Rodolfo Benítez | Sound |
| Editing | Charles L. Kimball | Editor |
| Production | Felipe Mier | Producer |
| Production | Óscar J. Brooks | Producer |
| Art | Francisco Marco Chillet | Production Design |
| Directing | Ignacio Villareal | Assistant Director |
| Production | Ernesto Enríquez | Executive Producer |
| Camera | Alex Phillips | Director of Photography |
| Sound | Raúl Lavista | Original Music Composer |
| Costume & Make-Up | José Jurado | Hairstylist |
| Costume & Make-Up | Concepción Zamora | Makeup Artist |
| Editing | Raúl J. Casso | Assistant Editor |
| Sound | Galdino R. Samperio | Sound Re-Recording Mixer |
| Crew | Jorge Benavides | Special Effects |
| Sound | Juan Bruno Tarraza | Songs |
| Directing | Humberto Gavaldón | Script Supervisor |
| Editing | Rodolfo Benítez | Dialogue Editor |
| Production | Jorge Cardeña | Production Manager |
| Sound | James L. Fields | Sound Director |
| Art | Nicolás Rueda Jr. | Title Designer |
