John Emery

as Georges Peydal

as Norman Kingsley

as Lawrence Price

as The Pawnbroker

as Paul Donaldson

as Dr. Hubbell Eliot

as Wheeler

as Dr. Edward R. Winter

as Cody Clark

as Kerwin Drake

as Abel Dennis

as Rinaldi aka 'The Great Rinaldi'

as Harold

as Mr. Stewart (uncredited)

as Professor

as Governor Elden

as Clyde Gorman

as Dr. Karl Eckstrom

as Vincent

as Jean, Duke d'Alencon, cousin of Charles

as John Newberry

as Sir Percival Glyde

as Larry Blake

as George Harrington

as Dr. Fleurot

as Mario Du Billar

as Premier Gilchi Tanaka

as Jean Cornudet

as Capt. Deichgraber

as Clayton Evans

as Paul Gerente

as Dr. Farno

as Chicago Hagen

as Tomasso

as Tony Abbott

as Captain Von Hagen