Growing up, we used to watch a lot of 'Indiana Jones' and 'Star Wars' and wear hand-me-down jeans and jumpers. I wasn't really one for dresses.

I knew I wanted to be an actress, but I hadn't ever really told anyone. I'd always got quite good grades, so people assumed I would go and do a 'normal' job. My dad took me to my first audition for drama school and picked me up without anyone knowing, really.

I went to the Royal Welsh College of Music and Drama, which was great but very different from a typical university. They sat us down in the first week and said: if you want to party, you've come to the wrong place. There was no lie-ins or skipping lectures.

I absolutely adore Agatha Christie; so much so that when I received a kitten for my Christmas present, I called her Agatha, and I already have a cat called Hercule!