Marielle Scott as Kathryn Sanders | A Teacher | FX on Hulu

Marielle Scott

Kathryn Sanders

Dylan Schmid

as Josh Smith

Josh Smith is another of Eric’s closest friends. Although a bit of a stoner who follows his own path, he is bright and will most likely make it into an Ivy League school.

Rya Ingrid Kihlstedt

as Sandy Walker

Sandy Walker is Eric’s hardworking middle-class mother who has been raising Eric and his brothers on her own. She is warm, sharp and loves her sons very much, and has a deep gratitude and appreciation for Eric who she relies on considerably to keep their home together.

Kate Mara

as Claire Wilson

Claire Wilson's life is upended when a bright student in one of her classes asks her to tutor him for the SATs.