Felix van Groeningen Director, Screenwriter Kenneth Vanbaeden Kleine Gunther Strobbe Actor Valentijn Dhaenens Gunther Strobbe Actor Koen De Graeve Marcel 'Celle' Strobbe Actor Wouter Hendrickx Lowie 'Petrol' Strobbe Actor Johan Heldenbergh Pieter 'Breejen' Strobbe Actor Bert Haelvoet Koen Strobbe Actor Gilda De Bal Meetje Actor Natali Broods Tante Rosie Actor Pauline Grossen Nichtje Sylvie Actor Sofie Palmers Vriendin Gunther Actor Guy Dermul Directeur school Actor Jos Geens André Actor Christophe Dirickx Screenwriter Jeroen Beker Co-Producer Dirk Impens Producer Frans van Gestel Co-Producer Jef Neve Original Music Ruben Impens Cinematographer Nico Leunen Film Editing Kurt Rigolle Art Director