This Is the Zodiac Speaking Online

Pierre Bidou - Self - Benicia Police Dept (Ret), Russell T. Butterbach - Self - Solano County Sheriff Department (Ret), Les Lundblad - Self - Solano County Sheriff Department (archive footage) (as Det. Sgt. Les Lundblad) , Richard Hoffman - Self - Vallejo Police Dept (Ret), George Bawart - Self - Vallejo Police Dept (Ret), Ed Rust - Self - Vallejo Police Dept (Ret), Nancy Slover - Self - City of Vallejo '355' Operator, Michael Renault Mageau - Self (as Michael Mageau) , Bryan C. Hartnell - Self (as Bryan Hartnell) , Ken Narlow - Self - Napa County Sheriff Dept (Ret), David Collins - Self - Napa County Sheriff Dept (Ret), John Robertson - Self - Napa County Sheriff Dept (Ret), David Slaight - Self - Napa County Sheriff Dept (Ret), Sharon Pagaling Hagon - Self - Criminal Profiler, Armond Pelissetti - Self - San Francisco Police Dept (Ret)