L'Étrange Monsieur Duvallier Details Casts Posters Season Lists Title L'Étrange Monsieur Duvallier Genres Comedy Mystery First Air Date 1979-06-14 Last Air Date 1979-07-19 Episode Runtime 00 Hours 55 Minutes Total Season(s) 1 Total Episode(s) on All Seasons 6 Runtime 55 Production Companies Technisonor Louis Velle... Raner... Sabine Azéma... Laurence... Guy Grosso... Pibarot... Henri Courseaux... Flairot... Corrado Olmi... Le chef comptable... Philippe Brigaud... Le touriste... Original Size (510x762) Season 1 6 Episode(s) 1979-06-14