"Antonio Torres, a serious singer of Spanish popular music, and Bárbara, a vivacious yé-yé singer, face off in a chaotic contest promoted by Rodolfo Sicilia, an overworked publicist."
Concha Velasco
as Bárbara
Manolo Escobar
as Antonio Torres
Alfredo Landa
as Rodolfo Sicilia
Gracita Morales
as Rosarito
Antonio Ferrandis
as Braulio
Joaquín Prat
as Contest Announcer
José María Caffarel
as Gosálvez
Tomás Blanco
as Police Commissioner
Emiliano Redondo
as Michel
Manuel Velasco
as Carlos
Adriano Domínguez
as
Ricardo Canales
Enrique Vivó
Rafael Hernández
Goyo Lebrero
Joaquín Pamplona
Erasmo Pascual
Joaquín «Top» Portillo
Emilio Alonso
Luis Rivera
David Areu
Paco Torres
Adolfo Torrado
Bárbara Lis
Baldomero García Escobar
Salvador García Escobar
Juan Gabriel García Escobar
Fernando Rey
as Narrator (voice) (uncredited)
Andrés Caparrós Martínez
as Radio Announcer (uncredited)
José Luis Sáenz de Heredia
Director
Screenplay
José María Palacio
Antonio Ramírez de Loaysa
Editor
Alfredo Fraile
Director of Photography
Screenstory
Dialogue
Francisco Ariza
Assistant Director
Salvador Gil
Camera Operator
Carmen Salas
Script Supervisor
Félix Moreno
Production Assistant
Isidro Muro
Assistant Camera
Víctor Benítez
Still Photographer
Juana Culell
Makeup Artist
Manolita Novoa
Rafael Pérez Murcia
Assistant Decorator
José Luis Berlanga
Assistant Editor
Eugenio Villar
Property Master
Ángel Córdoba
Humberto Cornejo
Wardrobe Supervisor
Victoria Ayllón
Seamstress
Ramiro Gómez
Production Design
Set Decoration
Adolfo Ventas
Orchestrator
Augusto Algueró
Songs
Antonio Guijarro
Gregorio García Segura
Original Music Composer
Norberto Soliño
Production Director
Executive Producer
Arturo González
Producer
Alejandro Cintas
Carlos Castellanos Gómez
Alfonso Jofre de Villegas
Maestro Jaén
Manuel Peralta
Manuel Monreal