"The Theory of Everything" is an extraordinary story because [Jane Hawing] was incredibly religious and [Stephen Hawking] was an atheist, so you have this conflict both on a domestic level between a couple in a difficult situation but also this bigger conflict of science versus religion, so it's a really fascinating project.

The American vice would be sometimes speaking too loudly. You can always hear American people on the trains!

I think personally it's not good for anyone - I don't think infidelity leads to happiness. It's painful for the person being cheated on, but also for the person who's cheating.

[In "The Invisible Woman"] was a different type of performance which was less driven by improv. You always want moments of freshness and newness, but there was less so than I've done before.

It's nice to have some continuity you can come back to. I feel that in coming home, coming back to London.

Of everything I have done, 'The Archers' always gets the most excitement; there's a sort of uncontrollable joy from fans of the program.

I have a great plain blue shirt from APC, and a denim one from Dolce that I wear constantly. It's hard to find the perfect denim shirt, but this is it.