

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
Bárbara

Manolo Escobar
Antonio Torres

Alfredo Landa
Rodolfo Sicilia

Gracita Morales
Rosarito

Antonio Ferrandis
Braulio

Joaquín Prat
Contest Announcer

José María Caffarel
Gosálvez

Tomás Blanco
Police Commissioner

Emiliano Redondo
Michel
Manuel Velasco
Carlos

Adriano Domínguez

Ricardo Canales
Enrique Vivó

Rafael Hernández

Goyo Lebrero
Joaquín Pamplona

Erasmo Pascual

Joaquín «Top» Portillo

Emilio Alonso
Luis Rivera
José Luis Sáenz de Heredia
José Luis Sáenz de Heredia, José María Palacio
Released