Bored with her bourgeois life, the young Maria Variani, daughter of a professor, meets Bruno, who is part of an amateur jazz group, and allows herself to be persuaded to join the band that plays during the radio program "The microphone is yours".
Maria Variani
Filippo
Bruno
Zia Camilla
Commendator Michele Variani
Commissario Venditi
Impresario italo americano
Leone Kovich, imitatore
Anacleto, gasista
himself
himself
himself
Mimì, la candida
herself
