An officer saves the life of a foreign prince who is in France to buy seaplanes, while pursued by his enemies.
| Actor | Role |
|---|---|
 Jean MuratCaptain Benoît | Captain Benoît |
 Mireille BalinVéra Agatcheff | Véra Agatcheff |
 Madeleine RobinsonDenise Benoît | Denise Benoît |
 Raymond AimosVic, policeman | Vic, policeman |
 Jean MercantonPrince Joachim / Jean-Jacques de Landelle | Prince Joachim / Jean-Jacques de Landelle |
| JJean TémersonTripoff, tourist | Tripoff, tourist |
 Jean BrochardMercadier | Mercadier |
 Jean DaurandGriffon | Griffon |
 Hugues de BagratideSultan | Sultan |
 Marguerite de MorlayeNot listed | Not listed |
 Nilda DuplessyNot listed | Not listed |
| JJean HeuzéOfficer | Officer |
| PPhilippe JanvierOfficer | Officer |
| AArmand LarcherPrefect | Prefect |
 Pierre MagnierColonel | Colonel |
| JJacques MattlerConspirator | Conspirator |
 Alexandre MihalescoAdhémar | Adhémar |
| MMicheline RollaNot listed | Not listed |
| GGeorges SerranoNot listed | Not listed |