I've done quite a lot of improv work before, and I wanted to do this film ["The Invisible Woman"] because it felt like a different technique. We were very true to the lines, and there was something quite formal and almost theatrical about it.

I've never done a superhero movie. It's very nice to you as an actor in several worlds to go and to experiment.

It can be very intense being an actor; it can be quite a small world. Then you speak to your friend who is a scientist and they have a completely different perspective.

Sometimes there are changes that need to be made.

My mother [was in advertising and] worked incredibly hard when she was bringing us up. She was a working mother and a working single parent.

Going to auditions is always so nerve-wracking. I don't think they ever get any easier.

I think that when [Charles] Dickens met Nelly [Ternan] it unleashed this sort of carnal, anarchic, cruel energy within him, and literally after she met him he changed his whole life - he separated from [his wife] Catherine, he stopped all the children from seeing her and went on this bitter rampage.