A traveller is stuck in an unknown town because his connecting train will only arrive in six hours. He decides to kill time by taking a stroll. He is not prepared to get confused with somebody else. In fact the citizens are eagerly awaiting the visit of a famous man and the clueless traveller is his doppelgänger. Soon he experiences what that means.
| Actor | Role |
|---|---|
 André LuguetThe Traveler / Léopold de Witt | The Traveler / Léopold de Witt |
 Dany RobinRosy | Rosy |
 Denise GreyMadame de Witt | Madame de Witt |
 Jacqueline PierreuxSimone | Simone |
 Paulette DubostAnnette | Annette |
 Luce FabioleTraveler | Traveler |
 Jean-Jacques DelboClaude | Claude |
 Pierre LarqueyJoseph | Joseph |
 Jean GavenAntoine | Antoine |
 François JouxMan with the envelope | Man with the envelope |
 Louis de FunèsChauffeur of his excellency | Chauffeur of his excellency |
 Jean RichardCity sergeant | City sergeant |
| RRobert SellerBurgomaster | Burgomaster |
| JJean-Jacques RouffMan | Man |
 Henri VilbertCustoms official | Customs official |
| JJean ImbertNot listed | Not listed |
 Albert MichelLe porteur | Le porteur |
 Marguerite de MorlayeDowager (uncredited) | Dowager (uncredited) |
| MMaurice Derville(uncredited) | (uncredited) |
 André Dumas(uncredited) | (uncredited) |
| RRobert Fretel(uncredited) | (uncredited) |
 Harry-Max(uncredited) | (uncredited) |
 Marcel LévesqueGeneral (uncredited) | General (uncredited) |
| MMichel SeldowBishop (uncredited) | Bishop (uncredited) |