Ruth Wilson on her West End theatre return, computer-generated actors, and why London beats New York

She smiles when I point out she is not an obvious physical match for Josie. “Ha ha, no, she’s described as six foot tall, blonde, a big, heavy-set woman but also very feminine,” says the slender, 5ft 6in, dark-haired Wilson. “But Mike doesn’t look like Jim either, and he’s 6ft 2in so we look like an odd couple anyway, just the other way around to what’s expected. It doesn’t matter because the motor of the play is the emotional feeling. I’m pretty physical, so it’s just about being physical in a different way.”