Guest Stars Karl Pilkington as DI Matt Neville Jakub Bednarczyk as Young John Taylor Rose Ayling-Ellis as Ms Freya Chordwell Frankie Minchella as Isaac Upton Pablo Raybould as Barry Yasmin Dacre as Sasha Sparks Suzanne Ahmet as Gillian Botley Sam Swainsbury as Mr. Bishop Christopher Parramore as Mr. Durose Harry Spalding as School Boy Sophie Allen as Ms Chordwell's Interpreter
