Paris is prey to an invisible terror against which the police can do nothing: a sinister organization that sows chaos and death. The intrepid journalist Philippe Guérande and his partner embark on a long crusade to put an end to the crimes of the Great Vampire and Irma Vep, his dangerous accomplice. (A ten episode movie serial.)
Jean Aymé
as The Great Vampire
Édouard Mathé
as Philippe Guérande
Marcel Lévesque
as Mazamette
Théodore Thalès
as Examining Magistrate Hamel
Rita Herlor
as Mrs. Margaret Simpson
Florense Simoni
as Madame Guérande
Stacia Napierkowska
as Marfa Koutiloff - The Dancer
Louis Leubas
as Father Silence / Satanas
Musidora
as Irma Vep
Fernand Herrmann
as Juan José Moréno
Paula Maxa
as Hypnotized Woman / Fleur-de-Lys
Émile Keppens
as George Baldwin