While she was appearing in The Pride in the West End, Hayley Atwell filled her co-star Mat Horne’s dressing room with 4,000 multi-coloured plastic balls.
Now, the wacky actress is hoping to continue with the larks when Dominic Cooper joins her on the set of her forthcoming television series, Agent Carter. “He’s incredibly naughty,” she tells me at the Glamour Women of the Year awards with Next in Berkeley Square. “So I’m going to start the pranks as early as I can. He will come up with some very good ones, too.”