Charlotte St-Martin as Justine

Liam Patenaude as Théo

Charlie Fortier as Claudia

Louka Amadeo Bélanger-Leos as Guillaume

Simone Laperle as Ernestine

Isabelle Blais as Julie

Pierre-Luc Brillant as Martin

Joanie Guérin as Madame Laporte

Elliot Léonard as Enfant qui zozote

Jamal Fortier as C.-A.

Pierrette Robitaille as Dame géante

Gisèle Roy-Charbonneau as Alicia

Mia Trottier as Lou

Charlie-Ann Thomas as Enfant brisée

Zakary Belharbi as Enfant qui dance

Gabryelle Cajuste as Enfant dégoutée

Mathieu Thibault as Enfant bum

Flora Melançon as Enfant triste

Dan Tigiffon as Enfant glouton

Olivia Donato as Enfant contente

Ryan Nikirad as Enfant chat

Dorothée Gauthier-Nolett as Enfant menaçante

Gabriela Cole as Enfant minutieuse

Jennifer Authier-Wurtele as Enfant astronaute

Orélie Boire as Fillette à tresse poisson 1

Maélie Boire as Fillette à tresse poisson 2

Agathe Ledoux as Fillette à tresse poisson 3

Liam Turcotte as Jumeau 1

Logan Turcotte as Jumeau 2

Arturo Oliva as Travailleur social

Maryse Latendresse as Jolie voisine

Holden Wong as Père 1 hockey

Louis-Philippe Desjardins as Père 2 hockey

Véronique Pierre as Mère de Claudia

Jean-Marc Dalphond as Père de Guillaume

Natacha Thompson as Mère d'Ernestine

Frédéric Gagnon as Père d'Ernestine

Gaelle Pouliquen as Mère de Théo

Nicolas Desfossés as Père de Théo

Sorachny Tan as Belle-mère de Théo