Patty Andrews
— Patty Andrews
Maxene Andrews
— Maxene Andrews
Laverne Andrews
— Laverne Andrews
Jane Frazee
— Anne Payne
Robert Paige
— Bob J. Riley
Gloria Jean
— Sue Courtney
Leo Carrillo
— Marvo the Great
Charles Butterworth
— J. P. Courtney
Billie Burke
— Agatha Courtney
Grace McDonald
— Angela
Donald O'Connor
— Tommy
Susan Levine
— Tag-a-Long (as Tag-a-Long)
Peggy Ryan
— Peggy
Franklin Pangborn
— Professor Bistell
Charles Lane
— K.D. Reynolds
Woody Herman
— Woody Herman - Orchestra Leader
Eddie Acuff
— Doorman (uncredited)
Leonard Carey
— Butler
Charles Coleman
— Butler
Esther Dale
— Mrs. Murphy (uncredited)
Herbert Evans
— Butler
Edward Gargan
— Undetermined Secondary Role (uncredited) (unconfirmed)
Ray Walker
— Happy (uncredited)