Félix Maritaud as Jonas (adult)

Nicolas Bauwens as Jonas (teenager)

Tommy Lee Baïk as Nathan

Aure Atika as Nathan's Mother

Ilian Bergala as Léonard

Marie Denarnaud as Jonas's Mother

Pierre Cartonnet as Jonas's Father

Nicolas Sartous as The Predator

David Baïot as Samuel

Julien Naccache as Grindr Guy

Edith Saulnier as Caroline (teenager)

Ingrid Graziani as Caroline

Marcel Bouzige as le garçon moqueur

Jean-Luc Rehel as le voisin

John Karalian as le mec du Boys Paradise

Peggy Mahieu as l'infirmière

Bernard Massoni as vieil homme malade

Annie Pardo as vieille dame de l’hôpital

Ali Pekoz as videur du Boys Paradise 2015

Cyril Bertucci as videur du Boys Paradise 1997

Daniel Lawless as policier 2015

Franck Libert as policier 1997

Matthieu Lestrade as professeur d’histoire-géographie