Deanna Durbin
Alice Fullerton
Melvyn Douglas
Vincent Bullitt
Jackie Cooper
Kenneth Warren
Irene Rich
Mrs. Dorothy Fullerton
Nancy Carroll
Grace Bristow
John Halliday
Gilbert Fullerton
Jackie Searl
Tony (as Jack Searl)
Juanita Quigley
Butch Warren ("The Pest" in credits)
Leonard Sues
Orchestra leader
Russell Hicks
Scout Leader (uncredited)
Lon McCallister
Billy (uncredited)
Matt McHugh
Soda Jerk (uncredited)
Moroni Olsen
Fullerton's Associate (uncredited)
Addison Richards
Newspaper Man (uncredited)
Bess Flowers
Party Guest (uncredited)