as Tigranes Levantus
as Charles Dreyfus
as Dr. Egon Hartz
as Dr. Edward Armstrong
as Gen. Mosquera
as Louis, alias 'Mr. Harvey'
as Dr. Sam Weizak
as Etzel
as Van Helsing
as Colonel Brinkley
as Ludwig
as Chief Inspector Dreyfus
as Police Commissar Vargas
as Dr. Larsen (archive footage) (uncredited)
as Napoleon
