MÉPHISTO (1931). Five Chapters. In French with English subtitles. Tinted

MÉPHISTO is the title of a 1931 French film serial co-directed by Henri Debain and Georges Vinter, starring Jean Gabin and René Navarre. It was Gabin's first role in a long and illustrious career, as well as Viviane Elder's first role.
It seems to be the only French serial in the sound era. The music was by Casimir Oberfeld with lyrics by Charles L. Pothier, sung by Jean Gabin.

PLOT:
Gabin portrays a cop which must fight an elusive mysterious criminal called Mephisto (obviously inspired by Fantomas) and his mistress ,a chanteuse who helps him with his dirty deeds . Gabin is accompanied by a serial writer ,Fortuné Bidon, short of ideas; although he's the women's idol, he mainly serves as a foil to the hero. Jacques Miral (Gabin) falls in love with the murdered millionaire's secretary ,but alas she becomes a suspect and he's got to clear her name .Who is this Mephisto ,who hides his face behind a scarf?
CAST:
Jean Gabin as Jacques Miral
Rene Navarre as Prof. Bergmann
Janine Ronceray as Hilda Bergmann
Vivianne Elder as Monique Aubray
Lucien Callamand as Fortune Bidon
Andre Marnay as Richard
Helene Cerpse as La Femme X
Mathilde Alberti as Madame Palmarede
Alexandre Mihalesco as Nostradamus
Paul Clerget as Cornelius
Fernand Godeau as Eduoard
France Dehlia as Fanoche
Milly Mathis as telegraph customer
Jacques Maury as Willy
Jean-Marie de L'isle as Le juge d'instruction
Louis Zellas as Le dogue de Bordeaux

CHAPTERS:
La mariée d'un jour
Le furet de la tour pointue
Les forains mystérieux (The Mysterious Fairgrounds)
La revanche de l'amour (The Revenge of Love)