'Sex Education' Confirms Season 4 Cast, Including Thaddea Graham

Sex Education star Asa Butterfield posted an Instagram a couple of weeks back of himself on set for Season 4 as Otis, heralding that class was soon to be back in session. But his solo photo did not answer many of the questions fans have about the series' return, which upended just about everything at the end of Season 3 with the announcement that Moordale would be closed and bulldozed. Since then, all that's come out is the stars who will not be back, which at this point stands at about a half dozen departees. However, their departures allow new characters to come in, with multiple new faces joining the show.

The series also has confirmed returnees for this season, which include a couple of actors fans weren't sure would be back. Maeve, played by Emma Mackey, departed Moordale to head overseas to America to attend an Ivy League college. With Mackey having landed the role in the Bronte biopic, Emily, it was uncertain if the actor would be back for another round. But not only will the actress be back for Season 4, but her character gives the series an excuse to add a Canadian to the cast. Dan Levy, best known for Schitt's Creek and The Great Canadian Baking Show, will join the series as Thomas Molloy, a famous author and Maeve's US course tutor.

And then, of course, there's the big question of Ncuti Gatwa, who landed the role that will define his career when he was cast as the Fourteenth Doctor in Doctor Who, starting with next year's 60th anniversary. The excellent news is filming for the anniversary special has finished, and the first block for Season 14, which follows in 2024, won't begin until November, giving Gatwa a perfect window to manage both projects. The new cast list for Season 4 confirms he'll be back as well, as Otis' BFF Eric, for whom this will be the last year of school.