Warner Oland

Dr. Fu Manchu

Acting

O. P. Heggie

Inspector Nayland Smith

Acting

Jean Arthur

Lia Eltham

Acting

Neil Hamilton

Dr. Jack Petrie

Acting

Evelyn Hall

Lady Agatha Bartley

Acting

William Austin

Sylvester Wadsworth

Acting

Margaret Fealy

Lady Helen Bartley

Acting

Shayle Gardner

Detective Harding

Acting

Evelyn Selbie

Fai Lu

Acting

Ambrose Barker

Acting

Nora Cecil

Acting

David Dunbar

Acting

Bill Elliott

Acting

Toyo Fujita

Acting

Olaf Hytten

Acting

Tetsu Komai

Acting

Will Stanton

Acting