I don't consider myself a shy person necessarily, but there's something about getting under the skin of a character and allowing you an abandon or a sense of courage that you would never have in your own life.
I'm Irish and very proud of being Irish, but as an actor, your extraction should be secondary, really. You should be able to embody whatever character it is, wherever the character comes from. That's always been important, for me. I'm an actor who's Irish, not an Irish actor.
You do your due diligence, you read as much as you can, and then, ultimately, I find that you discard that and you concentrate on the characters [of 'Antropoid'] and you can draw on [the research] if you wish, but I think ultimately it's about bringing as much truth and honesty to the portrayal as possible.
I think if you play characters, it's very important not to ever tag them with any sort of disorder, or diagnose them, or whatever. You have to normalize the behavior to get inside the character.
And, for any performer, to be able to go deep into character is fantastic. In film you only get to do that if you're the leading character. But in television you get 18 hours to really test the audience and take them to the edge of how far they will go with this character. I can step over this line and I love that.
It's obvious that if you're going to play a character you need to amass information about that person and about their environment or their era that they're in and use as little or as much as necessary