Bob bets 250,000 francs that he can tell the truth and nothing but the truth for twenty-four hours.
| Actor | Role |
|---|---|
 Saint-GranierRobert Barnet | Robert Barnet |
 Meg LemonnierNicole Regnier-Lambert | Nicole Regnier-Lambert |
 Pierre EtchepareHorace van Dusen | Horace van Dusen |
 Marcelle PrainceMadame Regnier Lambert | Madame Regnier Lambert |
 Armand LurvilleRegnier-Lambert | Regnier-Lambert |
 Paul PauleyDoran | Doran |
 Christiane DelyneMiss Anderson | Miss Anderson |
| JJanine VoisinEthel | Ethel |
 Jeanne Fusier-GirMlle. de Sampa-Larose | Mlle. de Sampa-Larose |
 Marfa d'HervillyCountess Mochada | Countess Mochada |
 Pierre PalauRichard | Richard |
| CCarlos AvrilFirmin | Firmin |
 Anthony GildèsNot listed | Not listed |