Jay Simpson is a prolific English film, television and stage actor. Most recently, he has appeared in Chernobyl and Frontier.

Simpson is perhaps best known in television for portraying cockney desk sergeant Ian 'Brookie' Brooke in Foyle's War, and he has also appeared on television in Recovery with David Tennant and Sarah Parish, Hot Money, Bad Crowd, A Touch of Frost, Casualty, Primeval, The Bill, Peep Show, Rome, Ashes to Ashes, Murder in Suburbia and Soundproof. Jay also uses his charm and voice skills as he is the voice of 'The Tree of Temptation' in Big Brother.