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Héctor Suárez as Mauricio |
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Beatriz Baz as Ingrid |
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Norma Lazareno as María Eugenia |
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Ernesto Gómez Cruz as Ballesteros |
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Mario García González as Poncho |
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Alfredo Rosas as Crispín |
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Antonio de Hud as Boxer |
| Directing | Jorge Fons | Director |
| Writing | Jorge Fons | Writer |
| Writing | Gustavo Sainz de la Peña | Writer |
| Writing | Roald Dahl | Story |
| Production | Mauricio Walerstein | Producer |
| Production | Fernando Pérez Gavilán | Producer |
| Sound | Enrico C. Cabiati | Music |
| Sound | Ricardo Saldívar | Sound |
| Crew | Fernando Colín | Cinematography |
| Directing | Ángel Rodríguez | Assistant Director |
| Editing | Federico Landeros | Editor |