Antoine is a violinist in love with sweet Sophie. Problem: his sweetheart is the daughter of the master of the municipal harmony, a stubborn man who swears only by the brass. Never mind: Antoine decides to ask him for his daughter's hand and to win his place at the orpheon. Will the two men be able to get in tune?
| Actor | Role |
|---|---|
 Robert HirschAntoine Plantin / Albert Plantin | Antoine Plantin / Albert Plantin |
| AAndré BellecSelf - Les Frères Jacques | Self - Les Frères Jacques |
| GGeorges BellecSelf - Les Frères Jacques | Self - Les Frères Jacques |
 Denise BenoitNot listed | Not listed |
| FFrançoise BonneauNot listed | Not listed |
| JJacques DabatNot listed | Not listed |
 Micheline DaxNot listed | Not listed |
 Pierre DudanNot listed | Not listed |
 Jacques FabbriGabriel | Gabriel |
| ZZino FrancescattiNot listed | Not listed |
 Bernard LavaletteNot listed | Not listed |
| FFrançois SoubeyranSelf - Les Frères Jacques | Self - Les Frères Jacques |
 Pierre TcherniaNarrator (voice) | Narrator (voice) |
| PPaul TourenneSelf - Les Frères Jacques | Self - Les Frères Jacques |