His first acting work was to provide the voices (dubbed in Serbian) for children's animated programs such as Teenage Mutant Ninja Turtles for the part of Donatello and in Yu-Gi-Oh!

Mostly a musical theater actor, some of his more well-known roles include "Cigani lete u nebo (Gypsies fly in the sky), Kiss me Kate, Chicago, Svetlosti pozornice (Stage Lights) and A Chorus Line.

Some other theatre productions he has appeared in are "Hamlet", "Bogojavljanska noć" (for which he received an award for the best young actor), "Mileva Einstein" and "Brzina tame" (The speed of the night).

[5] Bosiljčić acted in the popular RTS shows Bela Lađa (White Ship) and Ranjeni Orao (Wounded Eagle), where he was one of the main characters.

He is married to renown Serbian singer Jelena Tomašević of international career; the couple had a girl named Ninoslava, born on 24 January 2012.