"The adventures of the famous Joseph Rouletabille, an adventurous young journalist, gone to solve a murder in the south of France. He puts an end to the conflict between two rival bands for the possession of a revolutionary metal, belenium."
Jean Piat
as Joseph Rouletabille
Suzanne Dehelly
as Florine
Marie Déa
as Wanda
Jérôme Goulven
as
Lucas Gridoux
Claire Guibert
Léo Lapara
Yette Lucas
Ariane Murator
Monique Mélinand
Claude Nicot
Véra Norman
Roger Vincent
Michel Vitold
Pierre Lestringuez
Writer
Gaston Leroux
Story
Christian Chamborant
Director