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 Jim Howick as Mr. Hendricks Chaneil Kular as Anwar Simone Ashley as Olivia Lisa Palfrey as Cynthia Jojo Macari as Kyle Dan Mersh as Harry Toby Williams as Tim Olive Gray as Kate Jonny Amies as Sam