Mullvaden
Tinker Tailor Soldier Spy (original)
Starring Alec Guinness, Michael Jayston, Terence Rigby, George Sewell, Ian Richardson, Bernard Hepton, Hywel Bennett, Ian Bannen, Alexander Knox, Michael Aldridge
It's a crime and drama show, and has a rating of 8.5 out of 10 from Imdb which is very high for this kind of show.
Watch it here
Not found streaming from Sweden.