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 Anne-Marie Duff as Erin Wiley Conor Clarke McGrath as Courgette Connor Jemima Kirke as Hope Haddon Indra Ové as Anna Robyn Holdaway as Layla Jason Isaacs as Peter Groff Robert Wilfort as Mark Sophie Thompson as Mrs. Inglehart Suzanne Bertish as Dr. Cutton Noel White as Hugh Lois Chimimba as Reporter Roman Hayeck-Green as Owen Anna Ruben as Peter's Wife Georgie Bingham as Morning Show Anchor