Denis Marion was born on April 15, 1906 in Saint-Josse-ten-Noode, Brussels, Belgium as Marcel Defosse. He was a writer and assistant director, known for L'espoir (1945), Le secret de Monte-Cristo (1948) and Le juge de Malte (1959). He died on August 15, 2000 in Vence, Alpes-Maritimes, France.