Christopher Catesby Harington (born 26 December 1986), known professionally as Kit Harington, is an English actor and producer. Born in Acton, Greater London, Harington graduated from the Royal Central School of Speech & Drama in 2008. While still at drama school, he made his professional acting debut in the National Theatre and West End with the leading role of Albert in the critically acclaimed adaptation of the play War Horse.

In 2011, Harington rose to prominence for his breakthrough role as Jon Snow in the HBO fantasy television series Game of Thrones (2011–2019), which brought him international recognition and several accolades, including two nominations for the Primetime Emmy Award for Outstanding Supporting Actor in a Drama Series and Outstanding Lead Actor in a Drama Series in 2016 and 2019.

Harington has appeared in several feature films including the historical romance film Pompeii (2014) and the British period drama Testament of Youth (2014), and he provided the voice of Eret in the How to Train Your Dragon franchise.