Trailer
 | Analía Gadé as Isabel Mendoza |
 | Arturo Fernández as Enrique Solano |
 | Eulalia del Pino as Olga |
 | Laura Granados as Carmen |
 | Carles Lloret as Carlos |
 | Milo Quesada as Francisco Soto |
 | Antonio Molino Rojo as Amigo de Enrique |
 | Marta Flores as Invitada de la fiesta |
 | Antonio Jiménez Escribano as Amigo de Enrique |
| José María Labernié as Amigo de Enrique |
| Pedro Rodríguez de Quevedo as Amigo de Enrique |
 | Aníbal Vela as Director hotel Felipe II |
| Manuel Bronchud as Fernando Laredo |
 | Paula Martel as Dependienta tienda de discos |
 | Josep Maria Angelat as Amigo de Enrique asistente al concurso |
 | Ena Sedeño as Matilde |
 | Luis Sánchez Polack as Ferroviario |
 | Rufino Inglés as Fraile |
 | Juan Cortés as Policía 1 |
| José Santamaría as Policía 2 |
| Antonio de Armenteras as Portavoz del jurado |
| Federico Gallo as Presentador TV |
| José Irurozqui as Presentador concurso |
 | Rafael Hernández as Empleado hotel Las Sirenas (uncredited) |
 | Diana Lorys as Vecina (uncredited) |
| Directing | |
| Antonio Isasi-Isasmendi | Director |
Writing | |
| Antonio Isasi-Isasmendi | Writer |
| Lluís Josep Comerón | Writer |
| Jorge Illa | Writer |
Production | |
| Antonio Irles | Line Producer |
| Antonio Isasi-Isasmendi | Producer |
Sound | |
| Juan Durán Alemany | Music |
Camera | |
| Aurelio G. Larraya | Director of Photography |
Editing | |
| Emilio Rodríguez | Editor |
Art | |
| Juan Alberto Soler | Set Decoration |
Costume & Make-Up | |
| Práxedes Martínez | Makeup Artist |
| Amparo Primo | Assistant Makeup Artist |
Art | |
| J. Ventura | Construction Coordinator |
Sound | |
| Alfonso Obiols | Sound Engineer |
| Miguel Sitges | Sound Engineer |
Camera | |
| Juan Gelpí | Camera Operator |
| Tomás Moya | Still Photographer |
| Gabriel Torrente | Assistant Camera |
Costume & Make-Up | |
| Ilga Penezis | Wardrobe Master |
Editing | |
| Juan Pallejá | Assistant Editor |
Directing | |
| Paquita Vilanova | Script Supervisor |
