Nicole, a spirited lawyer, must defend, for her debut in the courtroom, the accused Panoyau. It is a failure, the death sentence. Furious, Nicole proclaims to Claude, her fiance, that the marriage is canceled as long as Panoyau is threatened. Claude manages to steal the guillotine and the couple go on a trip and discover the real assassin.
| Actor | Role |
|---|---|
 Sophie DesmaretsNicole, lawyer | Nicole, lawyer |
 Jean DesaillyClaude Girelle | Claude Girelle |
 Saturnin FabreAchille Panoyau, accused | Achille Panoyau, accused |
 Albert DuvaleixTiercelet | Tiercelet |
 Yvette AndréyorMadame Tiercelet | Madame Tiercelet |
 Jean TissierLepautre | Lepautre |
 Raymond BussièresPaulo | Paulo |
| CChristian ArgentinMinister | Minister |
| JJean BarrèreHotel manager | Hotel manager |
 Jacques BeauvaisNot listed | Not listed |
 Charles BouillaudInspector Bontemps | Inspector Bontemps |
| CChristiane DauranEmployee | Employee |
 Eddy DebrayDoctor | Doctor |
 Paul FaivreProsecutor | Prosecutor |
| MMaurice FlandreNot listed | Not listed |
 Claude JosephNot listed | Not listed |
 Marcel LocheNot listed | Not listed |
 Maurice MarceauAgent | Agent |
| FFrédéric MuniéNot listed | Not listed |
 Georges PaulaisNot listed | Not listed |
 Marcel PérèsLahotte | Lahotte |
| MMarcel RaineGeneral Counsel | General Counsel |
 Jacques TarrideCharles | Charles |
 André VersiniGégène | Gégène |