Las Islas Marias stars Pedro Infante as a man who must face time in jail, even though he never committed the crime. While on the inside, he learns important life lessons that actually make him a better man.
| Writing | Emilio Fernández | Writer |
| Directing | Emilio Fernández | Director |
| Camera | Gabriel Figueroa | Director of Photography |
| Writing | Mauricio Magdaleno | Writer |
| Production | Ismael Rodríguez | Producer |
| Sound | Antonio Díaz Conde | Original Music Composer |
| Editing | Gloria Schoemann | Editor |
| Art | Manuel Fontanals | Art Direction |
| Art | Manuel Parra | Set Decoration |
| Costume & Make-Up | Armando Valdés Peza | Costume Design |