as Dr. Fleurot
as Jean, Duke d'Alencon, cousin of Charles
as Georges Peydal
as Tony Abbott
as Cody Clark
as Dr. Karl Eckstrom
as Mario Du Billar
as Dr. Hubbell Eliot
as Rinaldi aka 'The Great Rinaldi'
as Tomasso
as Wheeler
as Paul Gerente
as Sir Percival Glyde
as Governor Elden
as Larry Blake
as George Harrington
as Vincent
as Clayton Evans
as Clyde Gorman
as Dr. Farno
as Premier Gilchi Tanaka
as Capt. Deichgraber
as Chicago Hagen
as Captain Von Hagen
as Dr. Edward R. Winter
as Professor
as John Newberry
as Jean Cornudet
as Paul Donaldson
as Harold
as Mr. Stewart (uncredited)
as Abel Dennis
as Kerwin Drake
as The Pawnbroker
as Lawrence Price
