Cast of Sex Education

Asa Butterfield portrays the character of Otis Milburn in Sex Education. Otis is a socially awkward teenager who, despite his own insecurities, becomes an unexpected expert in sex therapy due to his mother's profession as a sex therapist.

Gillian Anderson plays the role of Jean Milburn, Otis' mother, in Sex Education. She is a sex therapist who is open about her profession, which sometimes creates tension in her relationship with Otis.

Ncuti Gatwa portrays the character of Eric Effiong in Sex Education. Eric is Otis' best friend and is openly gay. He navigates the challenges of being true to himself in a conservative environment.

Emma Mackey plays the role of Maeve Wiley in Sex Education. Maeve is a rebellious and intelligent student who becomes Otis' business partner in running an underground sex therapy clinic at school.

Kedar Williams-Stirling plays the role of Jackson Marchetti in Sex Education. Jackson is a popular and athletic student who becomes involved in a complicated relationship with Maeve.

Connor Swindells portrays the character of Adam Groff in Sex Education. Adam is the school's head boy and the son of the school's headmaster. He struggles with his own insecurities and his relationship with his father.

Aimee Lou Wood portrays the character of Aimee Gibbs in Sex Education. Aimee is a kind-hearted and popular student who experiences an unexpected trauma that affects her personal life.

Alistair Petrie plays the role of Michael Groff in Sex Education. Michael is Adam's father and the headmaster of Moordale Secondary School. He has a strained relationship with his son and struggles with his own personal issues.