This Man Is Dangerous (1953 film)
This Man Is Dangerous (French: Cet homme est dangereux) is a 1953 French thriller film directed by Jean Sacha and starring Eddie Constantine, Colette Deréal and Grégoire Aslan. It is an adaptation of Peter Cheyney's 1936 novel "This Man Is Dangerous". It followed the film "La môme vert-de-gris" which had been Eddie Constantine's debut as Lemmy Caution and it was also successful at the box office. The film's sets were designed by the art director Jean d'Eaubonne. Synopsis. Lemmy Caution is assigned to neutralise the international crimininal network of  villain Siégella (Grégoire Aslan ) as an undercover agent. In order to infiltrate the gang he pretends to be an escapee. During his covert investigations at the French Riviera he gets to know a beauty named Constance (Colette Deréal) who is associated with Mister Siégella. Lemmy can convince him that he would help to kidnap the rich American heiress Miranda Van Zelden (Claude Borelli). Once Lemmy has obtained enough proof to have Siégella convicted, he informs Interpol. After he has sent documents to Interpol, his cover is blown and he has to fight for his life. This Man Is Dangerous (1953