Steve Giannangelo

饰：Himself - Author

Rick Staton

饰：Himself - Collector

Rich Hillen Jr.

饰：Himself - The Crawlspace Brothers

Julian Barrett

饰：Himself - The Crawlspace Brothers

Ed Kemper

饰：Himself - The Co-Ed Killer

Sam Hane

饰：Himself - Artist

Amanda Morden

饰：Herself - The Dahmer Tours

Nicholas Vollmann

饰：Himself - The Dahmer Tours

Ryan Bourbon

饰：Himself - Tourist

Kat Froehlich

饰：Herself - Tourist

Rachel Bourbon

饰：Herself - Tourist

Deanna Gritsonis

饰：Herself - Tourist

Matthew Aaron

饰：Himself - Collector & Artist

Joe Hiles

饰：Himself - Collector

Calle Johannesson

饰：Self - Guitar, Sparzanza

Dennis Rader

饰：Self - B.T.K.,(archive footage)

Albert Fish

饰：Self - Serial Killer,(archive footage)

Wayne Henley

饰：Self - Serial Killer,(archive footage) (as Elmer Wayne Henley Jr.)

Fredrik Weileby

饰：Self - Singer, Sparzanza

John Borowski

John Borowski

饰：Self - Filmmaker

乔·科尔曼

Joe Coleman

饰：Self - Artist & Collector