An airplane manufacturer asks his son-in-law to try out the prototypes he builds. This one ends up having an accident because of fatigue, and pushes the sacrifice to help his rival.
| Actor | Role |
|---|---|
 Marie BellHélène | Hélène |
 Pierre RenoirPierron | Pierron |
 Jean GallandBourrier | Bourrier |
 Jean ServaisMonval | Monval |
 Pierrette CaillolNovelist | Novelist |
 Raymond AimosPotel | Potel |
| GGinette ArellyNot listed | Not listed |
| GGinette CurteySimone | Simone |
 Eddy DebrayNot listed | Not listed |
 Robert FavartPilot | Pilot |
| AAnne-Marie GillesNot listed | Not listed |
 Claire GérardNot listed | Not listed |
| JJandelineNot listed | Not listed |
 Léon LariveNot listed | Not listed |
 Marcel MaupiNot listed | Not listed |
 André NumèsAccountant | Accountant |
 Georges PaulaisDoctor | Doctor |
 Georges PécletNot listed | Not listed |
 SinoëlNot listed | Not listed |
| SSuzy SolidorNot listed | Not listed |
| LLydie ValloisAnnette | Annette |
| JJanine ViénotNot listed | Not listed |