Guest Stars Dafne Keen as Herself Ruth Wilson as Herself James Cosmo as Himself James McAvoy as Himself Clarke Peters as Himself (Narrator) Ruta Gedmintas as Herself Lin-Manuel Miranda as Himself Anne-Marie Duff as Herself Lucian Msamati as Himself Mat Fraser as Himself Jane Tranter as Herself Dan May as Himself Laurence Whitaker as Himself William Todd-Jones as Himself Joel Collins as Himself Russell Dodgson as Himself Brian Fisher as Himself Philip Pullman as Himself Joe Tandberg as Himself Caroline McCall as Herself Jack Thorne as Himself Otto Bathurst as Himself