Jack Whitehall talks his dark new psychopath role and his plans for an all-new sitcom

Preparing for the role was a bit unsettling for him, creating a strange contrast with his happy home life with his fiancée, Roxy Horner. He was researching characters who initially seem charming but are actually dangerously unstable. “The weeks before rehearsals started were really odd,” he says. “I was enjoying a wonderful time with the baby, but also trying to get my head around this dark character.”