Susan Theron plays the sexy , unmoored , utterly reprehensible Mavis Gary in ` ` Young Adult '' Mavis is a ghostwriter for a successful young adult book publisher . She is about to head back home when she receives an e - mail from an ex - boyfriend .
Charlize Theron plays the sexy , unmoored , utterly reprehensible Mavis Gary in `` Young Adult '' Mavis is a ghostwriter for a successful young adult book series . She feels compelled to head back home when she receives an e-mail from an ex-boyfriend .