

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