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Cantinflas as Feliciano |
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Gina Romand as Carlota |
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Claudio Brook as Alex |
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Fanny Cano as Bebe |
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Guillermo Zetina as Jefe de Contraespionaje |
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Emma Roldán as Doña Angustias |
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Quintín Bulnes as Agente |
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Carlos León as Agente |
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Guillermo Rivas as Espía |
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Jorge Russek as Espía |
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Ramón Valdés as Original XU 777 |
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Francisco Reiguera as Odilon Campos Santos |
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Julián de Meriche as (uncredited) |
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María Herrero as (uncredited) |
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André Toffel as (uncredited) |
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Maricarmen Vela as (uncredited) |
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Xavier Massé as (uncredited) |
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José Wilhelmy as (uncredited) |
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Adolfo Aguilar as (uncredited) |
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Alberto Catalá as (uncredited) |
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Ángel Merino as (uncredited) |
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Jorge Mondragón as (uncredited) |
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Manuel Zozaya as (uncredited) |
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Rafael de Córdoba as (uncredited) |
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Armando Gutiérrez as (uncredited) |
| Directing | Miguel M. Delgado | Director |
| Writing | Miguel M. Delgado | Writer |
| Writing | Jaime Salvador | Adaptation |
| Crew | Carlos León | Additional Dialogue |
| Production | Jacques Gelman | Producer |
| Sound | Gustavo César Carrión | Original Music Composer |
| Camera | Gabriel Figueroa | Director of Photography |
| Editing | Jorge Bustos | Editor |
| Art | Roberto Silva | Production Design |
| Costume & Make-Up | Ana Guerrero | Makeup Artist |
| Costume & Make-Up | María de Jesús Lepe | Hairstylist |
| Production | Fidel Pizarro | Production Manager |
| Directing | Moises M. Delgado | Assistant Director |
| Sound | Raúl Portillo | Sound Editor |
| Sound | Galdino R. Samperio | Sound Re-Recording Mixer |
| Sound | James L. Fields | Sound |
| Crew | Luis Fernández | Sound Recordist |
| Crew | Antonio Muñoz Ravelo | Special Effects |
| Camera | Ángel Corona | Still Photographer |
| Directing | Luis Gaytán | Script Supervisor |
