Promise to the Unknown One A young woman is in love with a young writer, winner of the Prix Goncourt. Married to a banker, she must face her husband's anger and the blackmail of a former suitor. Details Casts Posters Title Promise to the Unknown One Release Date 1942-10-02 Runtime 01 Hours 30 Minutes Genres Comedy Romance Production Companies Unknown Production Countries France Charles Vanel... ... Claude Dauphin... ... Madeleine Robinson... ... Henri Guisol... ... Marcel André... ... Alexandre Fabry... ... Charlotte Clasis... ... Jacques Tarride... ... Gisèle Alcée... ... Manuel Gary... ... Lucien Callamand... ... Robert Dalban... ... Pierre Brasseur... ... Nicolas Amato... ... Jacques Breteuil... ... Jean Clarens... ... Gaston Séverin... ... Original Size (500x750)