Lillian Gish as Lucy Burrows

Richard Barthelmess as Cheng Huan

Donald Crisp as Battling Burrows

Arthur Howard as Burrows' Manager

Edward Peil Sr. as Evil Eye

George Beranger as The Spying One

Norman Selby as A Prizefighter

Ernest Butterworth as Secondary Role (uncredited)

Frederic Hamen as Secondary Role (uncredited)

Wilbur Higby as London Policeman (uncredited)

Man-Ching Kwan as Buddhist Monk (uncredited)

Bobbie Mack as Ringside Employee (uncredited)

Moy Ming as Minor Role (uncredited)

Steve Murphy as Fight Spectator (uncredited)

George Nichols as Police Constable (uncredited)

Karla Schramm as Burrows' Girlfriend (uncredited)

Bessie Wong as Girl in China (uncredited)