You're most famous for playing the lovelorn Molly in the BBC drama Sherlock. Did you expect the show to be so successful when you signed up?
The reaction to Molly this series has completely taken me by surprise. I did my day or two filming, like last time. But this year - because of the frankly brilliant writing - I think people have noticed her. Which is amazing. Molly works because, while Watson is "the audience", Molly is every woman of a certain age sitting at home on the settee fantasising about running their hands through Benedict Cumberbatch's hair. Which is basically what I'd have been doing if I wasn't in the show... Also, I think most people have experienced the agony and the ignominy of unrequited love... I've never thought Molly was an idiot. She just really, really loves him.
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Molly is every woman of a certain age sitting at home on the settee fantasising about running their hands through Benedict Cumberbatch's hair.