Roger Tilling

饰：自己

劳伦斯·布洛克

Lawrence Block

饰：自己

罗伯特·格雷史密斯

Robert Graysmith

饰：自己

Michael Renault Mageau

饰：Self - The Zodiac Killer's survivor victim,(as Mike Mageau)

Lloyd Sherr

Lloyd Sherr

饰：Self - Narrator,(as Max Raphael)

Bryan C. Hartnell

Bryan C. Hartnell

饰：Self - The Zodiac Killer's survivor victim,(as Bryan Hartnell)

Ed Rust

饰：Self - Retired Vallejo Police Detective

Tom Voigt

饰：Self - webmaster www.zodiackiller.com