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Cantinflas as Luis |
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Arturo de Córdova as Nicolás Ramiro Diez |
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Rosita Quintana as Virginia López |
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Elsa Aguirre as Doctora Beatriz Durán |
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Ana Luisa Peluffo as Marta Linares |
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Kitty de Hoyos as Novia de Rodolfo |
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Raúl Macías as Rodolfo Ramos |
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Armando Calvo as Doctor Ricardo Lugo |
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Carlos Riquelme as Doctor Alberto Varela |
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Alma Rosa Aguirre as Mónica Saldivar |
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Virginia Manzano as Carmen Sosa, jefe de enfermeras |
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Elmo Michel as Michelli |
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Raúl Farell as Rivas |
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Rubén Rojo as Abel |
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Sonia Furió as Sonia Lugo |
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Sergio Bustamante as Ángel Martinelli / Soto |
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Carlos López Moctezuma as Julián Rosales |
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Jorge Martínez de Hoyos as Entrenador |
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Augusto Benedico as Empresario |
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Arturo Martínez as Detective de policía |
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Dolores Camarillo as Mamá de Rodolfo |
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Consuelo Frank as Mamá de Sonia |
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Miguel Suárez as Papá de Sonia |
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Julio Sotelo as Anunciador |
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Ignacio López Tarso as (voice) |
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Óscar Pulido as (uncredited) |
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Sara Cabrera as Enfermera (uncredited) |
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José Chávez as Detective de policía (uncredited) |
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Pancho Córdova as Chofer cruz roja (uncredited) |
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Cecilia Leger as Acompañante de novia de Rodolfo (uncredited) |
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Ignacio Peón as Regueiro (uncredited) |
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Alfredo Varela as Vendedor de flores (uncredited) |
| Directing | Tulio Demicheli | Director |
| Writing | Tulio Demicheli | Writer |
| Writing | Roberto Gil | Writer |
| Production | Santiago Reachi | Producer |
| Production | Emilio Tuero | Producer |
| Sound | Gonzalo Curiel | Original Music Composer |
| Editing | Carlos Savage | Editor |
| Camera | Ignacio Torres | Director of Photography |
