Niko Papastefanou

饰：Tim O'Brien

Bret Grantham

饰：State Trooper

Amy Rollins

饰：Lucy Howe-Brown

丹尼·格洛弗

Danny Glover

饰：Narrator

罗伯特·阿尔茨

Robert Artz

饰：Charles Daly

泰德·邦迪

Ted Bundy

饰：自己

Bill Kurtis

饰：Self - Host,12 episodes, 1999-2008, / ...

鲍勃·大卫·开普

Robert D. Keppel

饰：Self,2 episodes, 2004-2005, / ...

Tommy LeNoir

饰：Self,2 episodes, 1999-2002,

Dean Testerman

Dean Testerman

饰：Murder Suspect,1 episode, 1999,

Clyde Snow

饰：Self - Forensic Anthropologist,1 episode, 1999,

Brian Parpan

饰：Self - Nassau Co. Police Dept. (Ret.),1 episode, 2002,

罗伯特·格雷史密斯

Robert Graysmith

饰：Self - Author, Zodiac Unmasked,1 episode, 2003,

George Bawart

饰：Self - Fmr. Det., Vallejo PD,1 episode, 2003,

Kelly Carroll

饰：Self - Inspector, San Francisco PD,1 episode, 2003,

Armond Pelissetti

饰：Self - Fmr. Officer, San Francisco PD,1 episode, 2003,

David Slaight

饰：Self - Fmr. Officer, Napa PD,1 episode, 2003,

A.J. Flick

饰：Self,1 episode, 2006,

Gerald Moody

饰：Self,1 episode, 2006,

Paul M. Clary

饰：Det. Tarpley,1 episode, 2005,

Chima Simone

Chima Simone

饰：Self,1 episode, 2002,

Ken Narlow

饰：Self - Fmr. Sgt., Napa Co. Sheriff,1 episode, 2003,

Tom Voigt

饰：Self - Webmaster, Zodiackiller.com,1 episode, 2003,

Ed Rust

饰：Self - Fmr. Det. Sgt., Vallejo PD,1 episode, 2003,

David Dolan

饰：Self,1 episode, 2006,