 Michel SimonCommissioner Jules Maigret (segment "Le témoignage d'un enfant de choeur") | Commissioner Jules Maigret (segment "Le témoignage d'un enfant de choeur") |
 Raymond RouleauInspector Wenceslas Vorobeïtchik, aka 'Wens' (segment "L'alibi de monsieur Wens") | Inspector Wenceslas Vorobeïtchik, aka 'Wens' (segment "L'alibi de monsieur Wens") |
| JJohn van DreelenG'man Lemmy Caution (segment "Je suis un tendre") | G'man Lemmy Caution (segment "Je suis un tendre") |
 André DalibertCommissioner Malaise (segment "L'alibi de monsieur Wens") | Commissioner Malaise (segment "L'alibi de monsieur Wens") |
 René GéninConcierge (segment "L'alibi de monsieur Wens") | Concierge (segment "L'alibi de monsieur Wens") |
 Arlette MerryFlorence Garnier (segment "L'alibi de monsieur Wens") | Florence Garnier (segment "L'alibi de monsieur Wens") |
 Jacqueline PorelDenise (segment "L'alibi de monsieur Wens") | Denise (segment "L'alibi de monsieur Wens") |
 Maurice TeynacHeldinge (segment "L'alibi de monsieur Wens") | Heldinge (segment "L'alibi de monsieur Wens") |
 Reinhard KolldehoffHartner (segment "Je suis un tendre") | Hartner (segment "Je suis un tendre") |
| IInge LangdutGisella Hauptmann (segment "Je suis un tendre") | Gisella Hauptmann (segment "Je suis un tendre") |
 Nathalie NattierMichèle Leroy (segment "Je suis un tendre") | Michèle Leroy (segment "Je suis un tendre") |
 Pierre SergeolLeblond (segment "Je suis un tendre") | Leblond (segment "Je suis un tendre") |
 Georges TabetHubert (segment "Je suis un tendre") | Hubert (segment "Je suis un tendre") |
 Christian FourcadeJustin (segment "Le témoignage d'un enfant de choeur") | Justin (segment "Le témoignage d'un enfant de choeur") |
 Jérôme GoulvenSimon Lesueur, second-hand dealer (segment "Le témoignage d'un enfant de choeur") | Simon Lesueur, second-hand dealer (segment "Le témoignage d'un enfant de choeur") |
 Alexandre RignaultInspector Janvier (segment "Le témoignage d'un enfant de choeur") | Inspector Janvier (segment "Le témoignage d'un enfant de choeur") |
 Claire OlivierMadame Maigret (segment "Le témoignage d'un enfant de choeur") | Madame Maigret (segment "Le témoignage d'un enfant de choeur") |
| MMarguerite GarcyaJustin's mother (segment "Le témoignage d'un enfant de choeur") | Justin's mother (segment "Le témoignage d'un enfant de choeur") |
 Jacques MorelCommentary (voice) | Commentary (voice) |
 Louis BlancheJudge (segment "Le témoignage d'un enfant de choeur") (uncredited) | Judge (segment "Le témoignage d'un enfant de choeur") (uncredited) |
 André Chanu(uncredited) | (uncredited) |
 Jo Dest(uncredited) | (uncredited) |
| RRichard Flagey(uncredited) | (uncredited) |
| AArsenio FreignacLucas (uncredited) | Lucas (uncredited) |
| EErich Frichs(uncredited) | (uncredited) |
| GGaston Garchery(uncredited) | (uncredited) |
| PPierre Goutas(segment "Le témoignage d'un enfant de choeur") (uncredited) | (segment "Le témoignage d'un enfant de choeur") (uncredited) |
 HenneryDirector (uncredited) | Director (uncredited) |
| AAndré Kronefeld(uncredited) | (uncredited) |
| YYette LucasSecond concierge (uncredited) | Second concierge (uncredited) |
