Drums of Fu Manchu

Henry Brandon

Dr. Fu Man Chu

William Royle

Sir Dennis Nayland Smith

Robert Kellard

Allan Parker

Luana Walters

Mary Randolph

Olaf Hytten

Dr. Petrie

Tom Chatterton

Prof. Randolph

Gloria Franklin

Fah-Lo-Suee

John Merton

Loki

George Cleveland

Dr. James Parker

John Dilson

Prof. Ezra Howard

Dwight Frye

Prof. Anderson

Wheaton Chambers

Dr. Humphrey

George Pembroke

C.W. Crawford

Lal Chand Mehra

Sirdar Prahni

Guy D'Ennery

Ranah Sang

Lowden Adams

Blake, Randolph's Assistant

Philip Ahn

Dr. Chang

John Bagni

Dangra - Spy at Fort

Ann Baldwin

Miss Frisbie - Winchester's Secretary

Robert Blair

Police Sergeant at Randolph's