Park Dietz
Self - Forensic Psychiatrist
Craig Jackson
Self - Psychologist
Elizabeth Laugeson
Claire Hardaker
Self - Online Hate Expert
Kelly Wang
Self - George's Mother
Junan Chen
Self - George's Father
Jinshuang Liu
Self - David's Mother
Richard Martinez
Self - Chris's Father
Deb Smith
Self - Elliot Rodger's Former Principal
Dylan Fontillas
Self - Witness
Cayla Bergman
Self - Witness (archive footage)
Sierra Swartz
Lucy Briers
Narrator (voice)
Dan Zargo
Elliot Rodger (voice)
