Game of Thrones star Jack Gleeson is back on screen after a decade-long break from acting and fans are obsessed with his dramatic new look.

The Irish actor, best known for playing the arrogant and cruel King Joffrey Baratheon in the hit HBO series, revealed his signature blonde hair is now brown, complemented by a matching moustache.

Soon after portraying one of television’s most hated characters, Gleeson announced his “retirement” from acting.

At the time, rumours swirled his decision to step away was linked to the backlash from his role on the show.

For the next 10 years he largely disappeared from the spotlight, appearing only in a small indie film and a few episodes of TV shows.

Now 33, Gleeson is making a much-anticipated return in Netflix’s new crime series, House of Guinness.

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