Junan Chen

饰：Self - George's father

Dylan Fontillas

饰：Self - Witness

Claire Hardaker

饰：Self - Online Hate Expert, Lancaster University,(as Dr Claire Hardaker)

Elizabeth Laugeson

饰：Self - Psychologist, UCLA,(as Prof. Elizabeth Laugeson)

Jinshuang Liu

饰：Self - David's mother

Elliot Rodger

饰：Self,(archive footage)

Deb Smith

饰：Self - Elliot Rodger's former principal

Kelly Wang

饰：Self - George's mother

Dan Zargo

饰：Elliot Rodger,

露西·布莱尔斯

Lucy Briers

饰：Narrator

Cayla Bergman

饰：Herself - Witness

帕克·迪茨

Park Dietz

饰：Himself - Forensic psychiatrist

Sierra Swartz

饰：Herself - Witness