Trailer
 | Pilar Lorengar as Carmen Beltrán |
 | Enrique Diosdado as Rafael Osuna |
 | José Isbert as Comisario Pérez |
 | José María Seoane as Manoilo Campos |
 | Manolo Gómez Bur as Agente Molina |
 | Fernando Sancho as Profesor Lorenzo |
 | Carlos Marco as Alberto Loma |
| Elena Barrios as Blanquita Peña |
 | Manuel Kayser as Doctor Montero |
| Gaspar Campos as Representante Fuentes |
 | Arturo Marín as Carterista 2º |
 | Francisco Bernal as Carterista 1º |
 | Ángel Álvarez as Dueño de la churrería |
 | Beni Deus as Agente Ramos |
| Mercedes Serrano as Enfermera |
 | Carmen Lozano as Laly |
| Lorenzo Sánchez Cano as Tenor |
 | Julio Riscal as Agente Gómez |
| Joaquín Burgos as Avisador |
| Mateo Guitart as Director de orquesta |
| Pedro Martín Caro |
 | Quique Camoiras as Muchacho 1º |
 | Modesto Blanch as Jugador 1º |
| Víctor Ramón Domínguez as Muchacho 2º |
| Antonio Florido as Jugador 2º |
| Vicente Gómez Bur as Traspunte |
| ulio Mathias Lacarra as Polizón |
 | Amando de Ossorio as Jugador 3º |
| Juan Luis Quintana as Agente al teléfono |
 | Francisco Sánchez as Narrador (voz) |
| Directing | |
| Antonio Román | Director |
Writing | |
| Pedro de Juan | Writer |
| Antonio Román | Writer |
Sound | |
| Gerónimo Giménez | Music |
| Federico Moreno Torroba | Music |
| Juan Quintero | Music |
