Hedy Lamarr
— Marvin Myles Ransome
Robert Young
— Harry Moulton Pulham
Ruth Hussey
— Cordelia 'Kay' Motford Pulham
Charles Coburn
— John Pulham
Van Heflin
— Bill King
Fay Holden
— Mrs. John Pulham
Bonita Granville
— Mary Pulham
Douglas Wood
— Mr. 'J.T.' Bullard
Charles Halton
— Walter Kaufman
Leif Erickson
— Rodney 'Bo-Jo' Brown
Phil Brown
— Joe Bingham
David Clyde
— Hugh, the Butler
Sara Haden
— Miss Rollo, Harry's Secretary
Oliver Blake
— Ellsmere, the Artist (uncredited)
Sarah Edwards
— Mrs. Motford - Kay's Mother (uncredited)
Frank Faylen
— Marine Sergeant (uncredited)
Ava Gardner
— Young Socialite (uncredited)
Anne Revere
— Miss Redfern, John's Secretary (uncredited)
Grant Withers
— Sammy Lee, Harvard Football Coach (uncredited)
Mary Lou Harrington
— Gladys Pulham, Age 11 (uncredited)
Byron Foulger
— Curtis Cole (uncredited)
Connie Gilchrist
— Tillie, Elevator Operator (uncredited)