Sex Education adds Jason Isaacs, Jemima Kirke and Dua Saleh

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The OA and Star Trek: Discovery vet Isaacs will join Girls alum Kirke and Sudanese-American recording artist Saleh on Season 3 of the Netflix teen series. Isaacs will play Mr. Groff's older brother, Kirke will play a former Moordale student and the new headmistress and Saleh will portray a nonbinary student in their acting debut.