<Li> Brian Posehn as himself (season 3) </Li> <Li> Raymond J. Barry as Burt, a resident of a trailer park retirement community whom Jimmy befriends (season 4) </Li> <Li> Dee Wallace as Gail, Burt's neighbor at the retirement community (season 4) </Li> <Li> Zosia Mamet as Heidi, Gretchen's friend from middle school . (season 4) </Li>

Who plays gail in you're the worst