United Kingdom, June 5 -- Kit Harington went to rehab when the final season of Game of Thrones was airing.

The 39-year-old actor played Jon Snow in the HBO fantasy show and explained how he made the "good decision" to get treated for anxiety and alcohol addiction issues instead of doing press for the programme's conclusion in 2019.

Speaking in conversation with Game of Thrones co-star Peter Dinklage for Variety's Actors on Actors series, Kit said: "I decided to go to rehab as Episode 1 (of the eighth and final season) was airing, and I was there for six weeks. I needed to get sober. I needed to get my head on straight.

"I was like, 'Wait a minute, there's loads of press that needs to be done. You need to be front and centre.' But it wa...