According to a report by Female First, actor Gary Oldman said that taking on the role of career intelligence officer George Smiley in 2011's remake of 'Tinker Tailor Soldier Spy' took a toll on his mental health. While speaking during a masterclass with 'Darkest Hour' producer Douglas Urbanski, Gary reportedly said: "I had let it get to a point where it was going to crush me. It almost gave me a bloody nervous breakdown, I was so caught up in the fear of this.