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
as Maria Variani
Aroldo Tieri
as Filippo
Enrico Luzi
as Bruno
Ada Dondini
as Zia Camilla
Enrico Viarisio
as Commendator Michele Variani
Guglielmo Inglese
as Commissario Venditi
Mario Siletti
as Impresario italo americano
Franco Pucci
as Leone Kovich, imitatore
Franco Parenti
as Anacleto, gasista
Rino Salviati
as himself
Gorni Kramer
as himself
Nunzio Filogamo
as himself