Kjartan Darri Kristjánsson graduated with a BA degree in acting from Iceland University of the Arts in 2015. Following his graduation he started working at Leikfélag Akureyrar and played in i.e. Píla Pína and Helgi Magri. He has been a part of multiple theatre productions in the independent performance scene in Iceland as an actor and in video, sound and light design. Karíus & Baktus staged in Harpa concert hall, Endastöð - Upphaf staged by Lab Loki, Lecture on something beautiful staged by SmartíLab, Hún, Pabbi staged by Reykjavík City Theater, Hans Blær staged by Óskabörn Ógæfunnar, Svartlyng staged by GRAL and How to become Icelandic in 60 minutes which has been performed over 800 times in Harpa. Kjartan Darri is currently working as an actor in the National Theatre of Iceland. He was nominated to the Icelandic Theater Price, Gríman, for light design in Þórbergur. Nominated as Best actor in a leading role for his role in Frost The Musical and got the Gríma prize as best actor in supporting role in 2021 for his role as Anon in Kafbáturinn, produced by the National Theatre of Iceland.