<Li> Keiko Agena as Pam Bradley, the Communications teacher at Liberty High . </Li> <Li> Mark Pellegrino as Deputy Bill Standall, Alex's father, a police officer . </Li> <Li> Joseph C. Phillips as Greg Davis, Jessica's father, a member of the Air Force . </Li> <Li> Cindy Cheung as Karen Dempsey, Zach's mother . </Li>

What did the principal do in 13 reasons why