크레딧 출연 Lucy Briers Narrator (voice) Cayla Bergman Self - Witness (archive footage) Junan Chen Self - George's father Park Dietz Self - Forensic psychiatrist Dylan Fontillas Self - Witness Claire Hardaker Self - Online Hate Expert Craig Jackson Self - Psychologist Elizabeth Laugeson Self - Psychologist Jinshuang Liu Self - David's mother Richard Martinez Self - Chris's father Elliot Rodger Self (archive footage) Deb Smith Self - Elliot Rodger's former principal Sierra Swartz Self - Witness (archive footage) Kelly Wang Self - George's mother Dan Zargo Elliot Rodger (voice) Audrey Lazzara Blonde Yoga Girl (uncredited) 스텝 Talya Tibbon Directing