Guest Stars Ncuti Gatwa as Eric Effiong Emma Mackey as Maeve Wiley Connor Swindells as Adam Groff 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 Jim Howick as Mr. Hendricks Rakhee Thakrar as Miss Sands Chaneil Kular as Anwar Simone Ashley as Olivia Jojo Macari as Kyle Daniel Ings as Dan Deobia Oparei voices Mr. Effiong Lily Newmark as Ruthie Max Boast as Tom Baker Dan Mersh as Harry Alice Hewkin as Tanya