Kathryn Grayson
— Grace Moore
Merv Griffin
— Buddy Nash
Joan Weldon
— Ruth Obre
Walter Abel
— Col. James Moore
Rosemary DeCamp
— Aunt Laura Stokley
Jeff Donnell
— Henrietta Van Dyke
Douglas Dick
— Bryan Curtis
Ann Doran
— Mrs. Moore
Mabel Albertson
— Mary Garden
Margaret Field
— Edna Wallace
Fortunio Bonanova
— Dr. Marafioti
Marie Windsor
— Marilyn Montgomery
Noreen Corcoran
— Grace (as a child)
Oliver Blake
— Apartment Manager
Frank Ferguson
— Commencement Speaker
John Hamilton
— Charlie
Lillian Bronson
— Mrs. Green
Roy Gordon
— Otto Kahn
Jester Hairston
— Preacher
Olin Howland
— Mailman
Moroni Olsen
— Arnold Reuben
Arthur Space
— Director
Herb Vigran
— Club M.C.
Eve Whitney
— Secretary
William Bakewell
— Charles, Waiter (uncredited)
Kathryn Grant
— Showgirl (uncredited)
Frank McLure
— Cashier at Reuben's (uncredited)
Barbara Pepper
— Fat Girl with Sailor in Nightclub (uncredited)
Dorothy Vernon
— Armistice Day Reveler at Theatre (uncredited)
Nedrick Young
— Harry Corbett (uncredited)