The Mystery of the Rocks of Kador

Léonce Joseph Perret (14 March 1880 – 12 August 1935) was a prolific and innovative French film actor, director and producer. He also worked as a stage actor and director. Often described as avant-garde for his unorthodox directing methods, Léonce Perret introduced innovative camera, lighting and film scoring techniques to French cinema. Description above from the Wikipedia article Léonce Perret, licensed under CC-BY-SA, full list of contributors on Wikipedia.​