I've always been a believer in research. It's great to have an instinctual human reaction to a character, too, of course, but it has to be countered with knowledge and understanding.
It's a strange thing, but you get this click in your brain; the wonderful feeling that the entirety of a character is suddenly available and accessible to you.
When I first had my eyebrows waxed, I was pretty disturbed.
I didn't know anything about '12 Years a Slave.' Not the book, not Solomon Northup, which I was quite shocked by, once I'd read it, that it wasn't a seminal text. I think it deserves to be.
The Second World War simplified things like race, and people came down on very clear lines.
I became an actor by doing school plays and youth theaters, and then National Youth Theatre of Great Britain. And then I did study at the London Academy of Music and Dramatic Arts. For me that was a good way to enter the field, to work in the theater.