Guest Stars Ncuti Gatwa as Eric Effiong Connor Swindells as Adam Groff Aimee Lou Wood as Aimee Gibbs Emma Mackey as Maeve Wiley Kedar Williams Stirling as Jackson Marchetti Alistair Petrie as Headmaster Michael Groff Mimi Keene as Ruby Matthews Tanya Reynolds as Lily Iglehart Patricia Allison as Ola Nyman Chaneil Kular as Anwar Simone Ashley as Olivia Co Starring Chris Jenks as Steve Morley Hannah Waddingham as Sofia Marchetti Sharon Duncan-Brewster as Roz Marchetti Jojo Macari as Kyle Deobia Oparei as Mr. Effiong Hannah Boyce as Harriet Anders Max Boast as Tom Baker Aurora Burghart as Good Samaritan Adam Young as Birthday Twin Tom Colley as Thug