- HD 1080
- Runtime: 83m.
- Status: Released
- 0
- Languages: fr
- Country: France
- Director: Henri-Georges Clouzot
- Stars: Pierre Fresnay, Suzy Delair, Jean Tissier, Pierre Larquey, Noël Roquevert
- keywords: paris, france, based on novel or book, serial killer, boarding house, french noir, police inspector
- Production_studio: Continental Films
- providers: Criterion Channel
- The The Murderer Lives at Number 21 is featured in the top rankings of 1942
- #4 in Top Comedy Movies of 1942
- #1 in Top Thriller Movies of 1942
- #2 in Top Mystery Movies of 1942
Paris, France. Commissaire Wens follows the lead of a ruthless murderer to an unexpected place.