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.
José Luis Sáenz de HerediaDirector
Bárbara
Antonio Torres
Rodolfo Sicilia
Rosarito
Braulio
Contest Announcer
Gosálvez
Police Commissioner
Michel
Carlos
Narrator (voice) (uncredited)
Radio Announcer (uncredited)