"A grandson of a recently deceased millionaire mistakes a beautiful female disc jockey for her aunt, who once dated the grandfather."
Deanna Durbin
as Mary Collins
Donald O'Connor
as Charlie Read
John Dall
as Donald Read
Charles Winninger
as Uncle Chester Read
Helena Carter
as Clarissa Prentice
Margaret Wycherly
as Grandma Read
Jean Adair
as Aunt Mary Collins
Jacqueline deWit
as Fashion Show Saleslady
Jan Peerce
as Tony - Policeman
Betty Blythe
as Society Matron (uncredited)
Eddy Chandler
as Radio Station Policeman (uncredited)
Tom Chatterton
as Bronston (uncredited)
Pat Flaherty
as Cop at Desk (uncredited)
David McMahon
as Nolan (uncredited)
Frank Wilcox
as Mr. Masterson (uncredited)
Andy Williams
as Self - Member, The Williams Brothers Quartette (uncredited)
Edmond O'Brien
as Lt. Tom Farrington
Patricia Alphin
as Fashion Show Model
Harry Kurnitz
Screenplay
Irving Pichel
Director
William Bowers
Fritz Rotter
Story
Charles O'Neal
Milton Krasner
Director of Photography
Joseph Sistrom
Producer
Johnny Green
Original Music Composer
Otto Ludwig
Editor