Samuel Labarthe

General Gontier

Jean-Paul Bordes

General Gallet

Jérémie Laheurte

Chief Adjutant Joël

Maximilien Seweryn

Chief Sergeant Reynald

Dimitri Storoge

Captain Francis

Pierre Lottin

Lieutenant Alexandre

Chloé Jouannet

Chief Corporal Marianne

Vassili Schneider

Corporal Sandro

Ava Baya

Novice firefighter Marie-Eve

Sébastien Lalanne

Captain Marcus

Antonythasan Jesuthasan

Jonas, guardian of the cathedral

Élodie Navarre

Little Chloé's mom

Satya Dusaugey

Lieutenant Rufus

Xavier Maly

Monseigneur Charley

Pascal Rénéric

Conservative of Notre Dame

Ludivine de Chastenet

Céline, conservative

Gauthier Battoue

Climbing firefighter

Alain Cauchi

Guardian of 'Lever de doute'

Anne-Sophie Lapix

Self

Emmanuel Macron

Self (archive footage) (uncredited)

Abraham Amkpa

M.d. (voice) (uncredited)