Six-year-old "Mike" goes to live with her pregnant older sister, Babs, who plays string bass in José Iturbi's orchestra. And the orchestra is rapidly turning completely female, what with the draft. As the orchestra travels around the country, Babs' fellow orchestra members intercept and hide her War Office telegram to protect the baby.
Margaret O'Brien
José Iturbi
June Allyson
Jimmy Durante
Marsha Hunt
Hugh Herbert
Harry Davenport
Marie Wilson
Larry Adler
Ben Lessy
Connie Gilchrist
Katherine Balfour
Helen Gilbert
Madeleine Lebeau
Ethel Griffies
Mary Parker
Eddie Jackson
Jack Roth
Willie Best
Bess Flowers
Byron Foulger