 Pierre FresnayCommissaire Wens | Commissaire Wens |
 Suzy DelairMila Malou | Mila Malou |
 Jean TissierTriquet | Triquet |
 Pierre LarqueyMr. Colin | Mr. Colin |
 Noël RoquevertDr. Linz | Dr. Linz |
 René GéninAlfred | Alfred |
| JJean DespeauxKid Robert | Kid Robert |
| MMarc NatolArmand | Armand |
 Huguette VivierNurse Vania | Nurse Vania |
 Odette TalazacMadame Point | Madame Point |
| MMaximilienneMiss Cuq | Miss Cuq |
| SSylvette SaugéChristiane | Christiane |
 Louis FlorencieCommissaire Monnet | Commissaire Monnet |
 André GabrielloPolice Officer Pussot | Police Officer Pussot |
 Raymond BussièresTurelot | Turelot |
 Antoine BalpêtréAlbert (uncredited) | Albert (uncredited) |
| PPaul BargeErnest (uncredited) | Ernest (uncredited) |
 Léon BelièresBusinessman (uncredited) | Businessman (uncredited) |
 René BlancardInspector Picard (uncredited) | Inspector Picard (uncredited) |
| LLucien BlondeauPolice Prefect Edouard (uncredited) | Police Prefect Edouard (uncredited) |
| LLouis DenalairPolice Inspector (uncredited) | Police Inspector (uncredited) |
 Géo ForsterGuest (uncredited) | Guest (uncredited) |
 Gustave GalletJudicial Police Director (uncredited) | Judicial Police Director (uncredited) |
 Léon LariveMr. Albert (uncredited) | Mr. Albert (uncredited) |
 Albert MalbertTaxi Driver (uncredited) | Taxi Driver (uncredited) |
 Maurice MarceauBistro Client (uncredited) | Bistro Client (uncredited) |
 Marcel PérèsInspector Ballandieu (uncredited) | Inspector Ballandieu (uncredited) |
| MMartial RèbeCashier (uncredited) | Cashier (uncredited) |
 Maurice SalabertCycling Police Officer (uncredited) | Cycling Police Officer (uncredited) |
| EEvelyne SéjournéHandmaid (uncredited) | Handmaid (uncredited) |
