Constance Talmadge

as Dorothy Adams

Ronald Colman

as Paul Menford

Jean Hersholt

as Joe Diamond

Albert Gran

as Samuel C. Adams (Dorothy's father)

Robert Rendel

as Prince George

Sidney Bracey

as Butler

Joseph J. Dowling

as Professor Gregg (as Joseph Dowling)

Templar Saxe

as Dr. Wellington

Eric Mayne

as Dr. Scott

Emily Fitzroy

as Nurse

Clara T. Bracy

as Housekeeper (as Clara Bracy)

James O. Barrows

as Old Butler (as James Barrows)

Claire de Lorez

as Artist (Paul's friend)

Michael Dark

as Photographer (uncredited)