Spencer Tracy
— Tom Garner
Colleen Moore
— Sally Garner
Ralph Morgan
— Henry
Helen Vinson
— Eve Borden
Phillip Trent
— Tom Garner, Jr.
Henry Kolker
— Mr. Borden
Sarah Padden
— Henry's Wife
Billy O'Brien
— Tom as a Boy
Cullen Johnson
— Henry as a Boy
J. Farrell MacDonald
— Mulligan
Robert Warwick
— Edwards (uncredited)
Russell Simpson
— Professor (uncredited)
Mary Gordon
— Nurse (uncredited)
Mary Carr
— Flower peddler (uncredited)