Ernest Maupain

as Professor Moriarty

as Monsieur Morrel

as John Allan

as L'abbé Laugier

as Doctor Maxwell

as The Kaiser / Field Marshal von Hindenburg

as Lefranc

as Le père Silve

as Mr. Pierce

as Prof. Belliarti

as Judge Boyce

as Bob Campbell

as Jourdan

as Dr. Belknap

as Bradbury's Son

as Undetermined Role

as Prince Bolarez