The Murderer Lives at Number 21 Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. Inspector Wens moves into a Paris boarding house to catch a serial killer. Find out the following actor, actress, character names, and other movie-related words hidden in this word search puzzle based on this movie.. This includes identifying and searching for words that are related to : Guy Sloux, René Génin, Paul Barge, Marc Natol, Suzy Delair, Léon Larive, Geo Forster, Maximilienne, Martial Rèbe, Daniel Gélin, Marcel Pérès, Jean Tissier, Jean Despeaux, Léon Belières, Henri Vilbert .