Honoré, a valet, has an extremely logical mind and is unable to tell a lie. This comes in very fortunate for the family he works for.
| Actor | Role |
|---|---|
 Jean RichardHonoré Bonvalet | Honoré Bonvalet |
 Michèle PhilippeSolange de Fleury | Solange de Fleury |
 Jean MartinelliJacques de Fleury | Jacques de Fleury |
 Jeanne Fusier-GirMadame de Fleury | Madame de Fleury |
 Roger PierreFrédo | Frédo |
 Jean-Marc ThibaultJournalist | Journalist |
 Elisa LamotteLoulou Régina | Loulou Régina |
 Paul FaivreFather Bonvalet | Father Bonvalet |
 Claire GérardHonoré's mother | Honoré's mother |
 Geneviève KervineMarinette | Marinette |
| DDorette ArdenneSecretary | Secretary |
| HHuguette VergneMaid | Maid |
 Harry-MaxCommissioner | Commissioner |
 Maurice BiraudNot listed | Not listed |
| NNono ZammitNot listed | Not listed |
 Max DesrauNot listed | Not listed |
 Jack AryPoliceman | Policeman |
| MMax MartelNot listed | Not listed |
 Geneviève MorelCook | Cook |
 Robert RollisPress photographer | Press photographer |