Gillian Anderson stars as Jean Milburn, a sex therapist and mother of the main character, in the coming-of-age comedy-drama series, Sex Education. The show follows Otis Milburn, a socially awkward teenager who teams up with his classmates to set up an underground sex therapy clinic at their high school. Anderson's portrayal of Jean brings a mix of humor, warmth, and vulnerability to the character. Sex Education tackles various topics related to sexuality, relationships, and identity with a blend of humor and sensitivity. With its relatable characters and heartfelt storytelling, Sex Education has gained a dedicated fanbase and critical acclaim.