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".
Gisella Sofio
Maria Variani
Aroldo Tieri
Filippo
Enrico Luzi
Bruno
Ada Dondini
Zia Camilla
Enrico Viarisio
Commendator Michele Variani
Guglielmo Inglese
Commissario Venditi
Mario Siletti
Impresario italo americano
Franco Pucci
Leone Kovich, imitatore
