唐尼·沃尔伯格

Donald Edmond Wahlberg

Cheryl Arutt

饰：Self - Expert Forensic Psychologist

约翰·韦恩·盖西

John Wayne Gacy

饰：Self

Ce Ce Moore

Ce Ce Moore

饰：Self - Genetic Genealogy Expert

Ed Kemper

饰：Self

Michael Renault Mageau

饰：Self

罗丝琳·卡特

Rosalynn Carter

饰：Self

Bryan C. Hartnell

Bryan C. Hartnell

饰：Self (archiveFootage)

Pierre Bidou

饰：Self - FMR Detective Benicia Police Department

罗伯特·格雷史密斯

Robert Graysmith

饰：Self - Cartoonists San Francisco Chronicle

Mary Ellen O'Toole

饰：Self - Ret Senior FBI Profiler

Tom Voigt

饰：Self - Founder Zodiackillercom

Les Lundblad

饰：Self - Detective Sergeant