Former Love/Hate and The Wire star Aidan Gillen reprises his role as arch villain Janson in the new Maze Runner movie and director Wes Ball says that the Irish actor really relished playing a nasty piece of work.
Speaking to RTÉ Entertainment, Ball said: "I asked Aidan what it was like playing a villain and he said `it's fun!'
"He has a great time with it because we tend to explore more of the grey areas of this evil corporation WCKD in this movie to maybe show that they're not quite as bad as we thought but Janson really is our villain.
"He's the guy that's purely selfish and he's looking to save himself. Aidan seems to relish that in this movie I think and it's fun to watch him."
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Watch our full interview with Wes Ball
Ball made his directorial debut with the first Maze Runner movie in 2014 and now that the whole trilogy has come to and end he feels a sense of loss.
"Definitely. It's a bittersweet thing obviously." he says. "It's been an incredible opportunity to have my first movie be given to me in that way and to also have the success to keep going with the three movies.
"That's like a dream come true. I've certainly learned a lot with each step along the way as a filmmaker and now I'm just excited to see what comes next."