Cal Lightman

Having made quite a name for himself on the big screen, to find him starring in a televisión series was a surprise for many of his Hollywood counterparts. "For some people it's a snobbish thing to go to TV from film, but for me to do American televisión was something very new and exciting. It's exhausting, but it's very fulfilling."

As Lightman, Roth's physicality is as important as the dialogue. "I've always been a fan of physical acting, and not so much a fan of the method, o the internal stuff.

What the character does is watch and listen. That's one of the trickier things to try to pull off,"...