Marie-Claude PietragallaJessel Béatrice DalleLucie's Mother Joël CudennecAndré Marchal Serge CabonM. Kerrien, le père de William Nathalie PreslesLa mère de Ben et William Adèle FousseCatherine Wilson adolescente Roxanne Fillol GonzalezOphélie June RibièreDanseuse 2 / Enfant Halloween (sorcière) / Petite fille en vélo Thomas RibièreEnfant Halloween (squelette) Loïc BerthézènePierre Klavel / Responsabile di Produzione Alexandre BustilloRegista / Sceneggiatore Julien MauryRegista / Sceneggiatore Frédérique HenriProduttore Vérane FrédianiProduttore Thierry DesmichelleCo-produttore Marc ThiébaultProduction Design Laurent BarèsDirector Of Photography Martine RapinCostume Design Olivier AfonsoSpecial Effects Makeup Artist Amélie GrossierSpecial Effects Makeup Artist Sabine FevreKey Makeup Artist Pierre DucheminHairstylist Pascal LarueSpecial Effects Makeup Artist Pierre Emmanuel KassSpecial Effects Makeup Artist Nicolas HerlinSpecial Effects Makeup Artist Laetitia HillionSpecial Effects Makeup Artist Jessica OberliSpecial Effects Makeup Artist Cyril HipauxSpecial Effects Makeup Artist Cléo SchulmannSpecial Effects Makeup Artist Jacques-Olivier MolonSpecial Effects Makeup Artist Gaultier MermetAssistente Regista Léonard GuillainFirst Assistant Director Brice CoustilletSecond Assistant Director Ludivine DoazanSupervisore della Sceneggiatura Hugo SebonAssistant Editor Stephane DesnouesColorist Mickael DumontierFirst Assistant Editor Raphaël GesquaCompositore Musicale Originale Cédric LionnetSound Mixer Alexis MarzinSound Mix Technician Manuel De SousaDialogue Editor Carole LourtilAdr Supervisor Emmanuel AugeardSound Editor Arthur MorinAssistant Unit Manager Xavier LeprinceAssistant Unit Manager Jean-Baptiste FauchardAssistant Unit Manager Géraldine PolveroniProduction Supervisor Manon PoudoulecExtras Casting Loïc BerthézènePierre Klavel / Responsabile di Produzione Vincent BrançonSupervising Producer Nicolas BonnellVisual Effects Producer Laurens EhrmannVisual Effects Supervisor 
