Élie Semoun as Gustave Latouche / Ghislaine Latouche

Émilie Caen as Ghislaine Rateau

Frédérique Bel as Adeline Gratin

Loïc Legendre as Hervé Ducobu

Mathys Gros as Ducobu

Leeloo Eyme as Léonie Gratin

Chad Ebengue as T.G.V.

Léopold Moati as Willie

François Levantal as le directeur de St-Potache

Florent Peyre as le présentateur

Olivier Massart as le directeur de Jean d'Ormesson

Norman Thavaud as le père de Willie

Noémie Dujardin as l'infirmière

Juliette Chappey as Anaïs

Mahdi Alaoui as le vendeur bodybuilding

Stefan Cuvelier as M. Mignard

Kelyan Kezbari as un élève

Gérard Jugnot as Monsieur Kitrich

Oldelaf as Un policier