The season 5 finale suggested that Jon Snow had fulfilled his Night's Watch oath and would never be seen again, reported Variety.
"The important thing is that I now know exactly how long I am still under contract... Let's just say that 'Game of Thrones' will remain a part of my life for a while, I'll probably be in my thirties when it's over," Harington teased.
The 28-year-old actor is still sporting the famous Jon Snow long, dark hair and was rumoured to be seen near the set during the shooting of season 6 of HBO's popular series.