Paul Kircher as Lucas Ronis

Vincent Lacoste as Quentin Ronis

Juliette Binoche as Isabelle Ronis

Erwan Kepoa Falé as Lilio Rosso

Christophe Honoré as Claude Ronis

Adrien Casse as Oscar

Pascal Cervo as Père Benoît

Anne Kessler as Sonia

Elliot Jenicot as Thierry

Isabelle Thevenoux as Sophie

Jean-Philippe Salerio as Monsieur Loison

Wilfried Capet as Sekou

Bérengère Sigoure as Nurse

Marion Lavault as Teacher

Paul Joaquim Pereira as Nurse

Basile Larie as Cousin

Rémi Giordan as Cousin

Christophe Mirabel as Oncle

Hugues Louagie as Oncle

Jacqueline Chatelet as Maternal Grandmother

Philippe Detroy as Maternal Grandfather

Rose-Marie Minassian as Paternal Grandmother

Adèle Grasset as Lucas' Cousin

Raphaël Defour as Dr. Dauvert

Thomas Regnard as Supervisor

Milo Laudenbach as Victor

Lancelot Jardin as Colin

Antoine Matanovic as Milo

Matéo Demurtas as Gabriel

Lawa Fauquet as Lilio's Mother

Aurélien Deniel as