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David Silva as Roberto 'Kid' Terranova |
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Amanda del Llano as Lupita |
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Carlos López Moctezuma as Sr. Rosas |
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Fernando Soto as El chupa (as Fernando Soto 'Mantequilla') |
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Nelly Montiel as Susana |
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Víctor Parra as Joe Ronda |
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María Gentil Arcos as Doña Gracia, Madre de Roberto (as Ma. Gentil Arcos) |
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Pepe del Río as Juan Zubieta |
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Félix Medel as Don Roque |
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Aurora Cortés as Anastacia |
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José Pardavé as Amigo de Roberto |
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Salvador Quiroz as Presidente de la comisión de boxeo |
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Alberto Catalá as Second (as Ernesto Catala) |
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Bucky Gutierrez as Pilar, sirvienta |
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Roberto Cañedo as Ordoñez |
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Antonio «Pícoro» Padilla as Presentador de peleas (as el Picoro) |
| Writing | Raúl de Anda | Writer |
| Directing | Alejandro Galindo | Director |
| Writing | Gabriel Ramírez Osante | Writer |
| Writing | Alejandro Galindo | Story |
| Production | Raúl de Anda | Producer |
| Camera | Domingo Carrillo | Director of Photography |
| Editing | Carlos Savage | Editor |
| Art | Gunther Gerszo | Production Design |
| Sound | Rosalío Ramírez | Original Music Composer |
