Guest Stars Ncuti Gatwa as Eric Effiong Connor Swindells as Adam Groff Emma Mackey as Maeve Wiley Aimee Lou Wood as Aimee Gibbs Kedar Williams Stirling as Jackson Marchetti Alistair Petrie as Headmaster Michael Groff Mimi Keene as Ruby Matthews Samantha Spiro as Maureen Groff Tanya Reynolds as Lily Iglehart Patricia Allison as Ola Nyman Jim Howick as Mr. Hendricks Mikael Persbrandt as Jakob Nyman Chris Jenks as Steve Morley Chaneil Kular as Anwar Hannah Waddingham as Sofia Marchetti Simone Ashley as Olivia Sharon Duncan-Brewster as Roz Marchetti Doreene Blackstock as Beatrice Effiong Daniel Ings as Dan Edward Bluemel as Sean Wiley Deobia Oparei as Mr. Effiong Femi Elufowoju, Jr as Prophet Joshua Kadeem Ramsay as Octoboy India Ria Amarteifio as Lizzie Daniel Adegboyega as Rydel Ezra Furman as Band Singer Tom Mackley as Liam Francis Johnson as Lizzie's Father