Roberto, a 10-year-old boy, is drawn to music. An old organist discovers his gifts, and begins his musical education which will lead him to the head of an orchestra.
Roberto Benzi
Roberto
Paul Bernard
Victor Dumonteix
Louise Conte
Madame Dumonteix
Robert Pizani
Fleuriot
Jean Debucourt
Maréchal
Edmond Ardisson
Announcer
Charles Blavette
Cashier
Charles Lemontier
Theater director
Paul Demange
Second-hand dealer
Felga Lauri
Antonia
Jacques Sommet
Berthier
Raymond Hermantier
Blind man
