Kolia's first role was in Place des Vosges (1991), directed by his mother, when he was barely a toddler.
He later appeared in short films by Emma de Caunes, Michel Fehler, Joséphine Flasseur and Emmanuelle Bercot.
[4][5] Le Besco also cast him in Charly (2006), her second film as writer and director,[6][2][3] He played Nicolas, a rebellious teenager, alongside Julie-Marie Parmentier as his partner.
[2] Nicolas has been in foster care; he is so fascinated by a postcard of Belle-Ile-en-Mer, that he runs away to try to reach it.
As he hitchhikes to the suburbs of Nantes, he meets Charly, a young girl living in a caravan and surviving by prostitution.