 Jean GabinCommissioner Jules Maigret | Commissioner Jules Maigret |
 Michel AuclairMaurice de Saint-Fiacre | Maurice de Saint-Fiacre |
 Valentine TessierCountess de Saint-Fiacre | Countess de Saint-Fiacre |
 Jacques MorelAttorney-at-law Mauléon | Attorney-at-law Mauléon |
 Michel VitoldFather Jodet | Father Jodet |
 Paul FrankeurDoctor Bouchardon | Doctor Bouchardon |
 Robert HirschLucien Sabatier | Lucien Sabatier |
 Gabrielle FontanMarie Tatin | Marie Tatin |
 Jean-Pierre GranvalThe Journalist | The Journalist |
 Camille GuériniGautier | Gautier |
 Jacques HillingWaiter | Waiter |
 Micheline LuccioniArlette | Arlette |
 Jacques MarinAlbert | Albert |
 Armande NavarreMyriam | Myriam |
 Marcel PérèsSacristan | Sacristan |
 Serge RousseauÉmile Gautier | Émile Gautier |
 Hélène TossyAdèle Gautier | Adèle Gautier |
 Bruno BalpPaperboy (uncredited) | Paperboy (uncredited) |
| RRobert BalpoBank Manager (uncredited) | Bank Manager (uncredited) |
 Marcel BernierPolice Inspector (uncredited) | Police Inspector (uncredited) |
 Charles BouillaudNot listed | Not listed |
 Christian BrocardA Journalist (uncredited) | A Journalist (uncredited) |
 Henri CoutetGrocery Store Customer (uncredited) | Grocery Store Customer (uncredited) |
 René HellTypographer (uncredited) | Typographer (uncredited) |
 Guy HenryPolice Inspector (uncredited) | Police Inspector (uncredited) |
 Evelyne IstriaChâteau Handmaid (uncredited) | Château Handmaid (uncredited) |
 Laure PailletteFather Jodet's Handmaid (uncredited) | Father Jodet's Handmaid (uncredited) |
| GGeorgette PeyronWardrobe Manager (uncredited) | Wardrobe Manager (uncredited) |
 Christian RauthErnest Bouffard (uncredited) | Ernest Bouffard (uncredited) |
 Yvon SarrayMan at the Wake (uncredited) | Man at the Wake (uncredited) |
