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
