The future is bleak for a troubled boy from a broken home in the slums. He runs away when his step father breaks his violin, ending up sleeping in the basement of a music school for poor children.
Jascha Heifetz
as Himself
Joel McCrea
as Peter McCarthy
Andrea Leeds
as Ann Lawson
Gene Reynolds
as Frankie
Walter Brennan
as Professor Lawson
Terry Kilburn
as Limey
Tommy Kelly
as Willie
Porter Hall
as Mr. Flower
Walter Tetley
as Rocks Mulligan
Chuck Stubbs
as Fever
Gale Sherwood
as Betty
Alfred Newman
as Musical Director
