Alberto Robles, a young doctor, is faced with the decision to surrender to a life full of comforts and luxuries or to continue dedicating himself body and soul to serving those who need it most.
| Directing | Roberto Gavaldón | Director |
| Editing | Charles L. Kimball | Editor |
| Sound | José B. Carles | Sound Director |
| Camera | Gabriel Figueroa | Director of Photography |
| Writing | Roberto Gavaldón | Screenplay |
| Writing | Estela Inda | Screenplay |
| Production | Rodolfo Landa | Producer |
| Sound | Francisco Domínguez | Original Music Composer |
| Art | Salvador Lozano Mena | Production Design |
| Sound | Galdino R. Samperio | Sound Re-Recording Mixer |
| Camera | Ignacio Romero | Camera Operator |
| Writing | José Revueltas | Writer |
