as Prof. Dupont
as Bruno Steffen (as Andre Charlot)
as
as Dr. Renee
as Guest (uncredited)
as Dr. Clark
as French Minister (uncredited)
as Dr. Hamil (uncredited)
as Mr. Kalenin
as Distinguished Man (uncredited)
as Andre Leroux
as Father Antoine
as E.E. Cartwright
as Paris Cafe Manager (Uncredited)
as Carroll White
