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 Chinenye Ezeudu as Viv Odusanya Tanya Reynolds as Lily Iglehart George Robinson as Isaac Goodwin Patricia Allison as Ola Nyman Jim Howick as Mr. Hendricks Mikael Persbrandt as Jakob Nyman Rakhee Thakrar as Miss Sands Chris Jenks as Steve Morley Chaneil Kular as Anwar Dua Saleh as Cal Bowman Sami Outalbali as Rahim Simone Ashley as Olivia Anne-Marie Duff voices Erin Wiley George Somner as Joe Conor Clarke McGrath as Courgette Connor Jemima Kirke as Hope Haddon Jojo Macari as Kyle Lino Facioli as Dex Thompson Armin Karima as Malek Jason Isaacs as Peter Groff Tom Atkinson as Nick Noel White as Hugh Lois Chimimba as Reporter Reece Richards as Eugene Amar Chadha-Patel as DJ Dave Daisy May as TBD Sarah Durham as Headmistress Rosie Dwyer as Dex's Girlfriend