Lionel Barrymore
— Eli Watt
May Robson
— Sarah
Dorothy Jordan
— Letty McGinnis
Joel McCrea
— Jimmy Watt
Frances Dee
— Joan Stockton
David Landau
— McGinnis
Buster Phelps
— Jimmy Watt - Age 6
June Filmer
— May Radford
James Bush
— Bill Radford
Oscar Apfel
— John Radford
Samuel S. Hinds
— Dr. Babcock
Hale Hamilton
— Dr. Tillinghast
Colin Kenny
— Doctor at Banquet
Dave O'Brien
— Dance Extra (uncredited)