Jean-Baptiste Maunier as Saxo (voice)

Eugène Christo-Foroux as Piccolo (voice)

Anaïs Croze as Do (voice)

Camille Donda as Caisse Claire (voice)

Michel Elias as Docteur Marteau (voice)

Patrick Préjean as Grand-père Basson et Baryton (voice)

Marie-Eugénie Maréchal as Les Clefs Sol, Fa et Ut (voice)

Lewis Weill as Pinceau Plat (voice)

Daniel Beretta as Métronome (voice)

Lucie Dolène as Contrebasse (voice)

Claire Guyot as Les Scies, Clarinette et Clarinette Basse (voice)

Caroline Coste as Flûte (voice)

Patrick Delage as Stradivarius (voice)

Lucie Boulanger as Trompette (voice)

Bertrand Liebert as Hautbois et Gouge (voice)

Vincent Ropion as Cor anglais et Cor (voice)

Yohann Sauveur as Violon (voice)

Laurent Morteau as Violoncelle (voice)