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, Marc Natol, Paul Barge, René Génin, Léon Larive, Suzy Delair, Geo Forster, Martial Rèbe, Marcel Pérès, Jean Tissier, Maximilienne, Daniel Gélin, Léon Belières, Henri Vilbert, Jean Despeaux .