Myth of the Zodiac Killer

Thomas Henry Horan

Self - Author, 'The Myth of the Zodiac Killer'

Andrew Nock

Self - Filmmaker

Drew Beeson

Self - Author, 'Sighting In on The Zodiac Killer'

Frank Falzon

Self - San Francisco Police Department (Ret.)

Judy Ho

Self - Clinical and Forensic Neuropsychologist

Diane Watson

Self - Betty Lou Jensen's Friend

Kris Chambers

Self - Darlene Ferrin's Sister

Jean-Baptiste Camps

Self - Computational Linguistics Expert

Florian Cafiero

Self - Computational Linguistics Expert

Michael Butterfield

Self - Writer, ZodiacKillerFacts.com

Michael Renault Mageau

Self - Victim of the Zodiac Killer

Zodiac Killer

Self - Serial Killer

Darlene Elizabeth Ferrin

Self - Victim of the Zodiac Killer

David Arthur Faraday

Self - Victim of the Zodiac Killer

Betty Lou Jensen

Self - Victim of the Zodiac Killer

Dave Collins

Self - Napa County Sheriff's Department (Ret.)

Duffy Jennings

Self - Former San Francisco Chronicle Reporter

Linda Jensen

Self - Witness