Trailer
 | Luigi Giuliani as Luis |
 | Elena María Tejeiro as Ana |
 | María del Carmen Abreu as Julia Smeyers |
 | Juan Luis Galiardo as Juanjo |
 | José María Prada as Gálvez |
 | Paco Valladares as Santiago |
 | Lola Gaos as Madre de Luis |
| Anastasio Alemán as Psychologist |
| Antonio Buero Vallejo as Father of Pupil of Luis |
 | Montserrat Julió as Ana's Sister |
| Rafael Romero as Cantaor de flamenco |
 | Manuel Summers as Adversary |
 | Sergio Mendizábal as Comrade of Luis |
 | Ángel Menéndez |
| Lauro Olmo |
| Rodrigo Rivero |
| Héctor Quiroga as Portero |
| Carlos Muñiz |
| Beatriz Galbó as Tita, hermana de Luis |
| María Hevia |
| Trino Trives |
| María Teresa Dressel |
| Lola Losada |
| Pilar Romero |
 | Fernando Sánchez Polack |
| Julio Diamante as Comrade of Luis (uncredited) |
 | María Luisa San José as Chica en la terraza (uncredited) |
| Directing | |
| Julio Diamante | Director |
Writing | |
| Julio Diamante | Writer |
| Elena Sáez | Writer |
Production | |
| Ramiro Gómez Bermúdez de Castro | Executive Producer |
Editing | |
| Pedro del Rey | Editor |
Art | |
| Pablo Gago | Set Decoration |
Costume & Make-Up | |
| Regina Ortiz | Assistant Makeup Artist |
| Manolita Ponte | Makeup Artist |
Production | |
| Ramón Crespo | Production Manager |
Directing | |
| Julio Sempere | Assistant Director |
Art | |
| José Romero | Property Master |
Camera | |
| Luis Cuadrado | Camera Operator |
| Teo Escamilla | Assistant Camera |
| Julio Wizuete | Still Photographer |
Costume & Make-Up | |
| Maruja Fernández | Costumer |
Production | |
| Antonio Belizón | Production Assistant |
| José Pernas | Production Assistant |
Directing | |
| Carmen Robledo | Script Supervisor |
Camera | |
| Enrique Torán | Director of Photography |
Sound | |
| Adolfo Waitzman | Original Music Composer |
