My kids are blissfully unaware of anything I do. I asked my four-year-old, Harrison, what I did, and he said, 'You're an electrician.' He must have seen me changing a lightbulb.
There's something wonderful about that sort of Poirot, Agatha Christie-style investigation: cross-questioning all the witnesses and checking their stories, looking for means, motive, and opportunity.
I've been going bald since I was about 17. I'm still hanging on to my hair for dear life, but I do sometimes wonder - should I get a wig?
I'm always a bit wary when people say in interviews, 'I'm at the happiest place of my life that I've ever been.' I think, 'Really? Are you?' Life is a mix, isn't it?
As a committed Whovian, I cannot believe my luck in joining the Twelfth Doctor for one of his inaugural adventures. My only worry is that they'll make me leave the set when I'm not filming.
I did play a romantic part once - Orsino in 'Twelfth Night.'
