His Name Was Arthur Leigh Allen

Oyuncular

Robert Graysmith

Himself - Author of 'Zodiac' and 'Zodiac Unmasked'

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Arthur Spinelli

Himself - Former Solano County Saloon Owner

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Donald Cheney

Himself - Former Friend of Arthur Leigh Allen

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Sandy Panzarella

Himself - Friend of Donald Cheney & Acquaintance of Arthur Leigh Allen

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Norman Boudreau

Himself - College Friend of Arthur Leigh Allen

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George Bawart

Himself - Vallejo Police Dept (Ret)

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Sharon Pagaling Hagon

Herself - Criminal Profiler

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Donald Fouke

Himself - San Francisco Police Dept (Ret)

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David Slaight

Himself - Napa County Sheriff Dept (Ret)

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Nancy Slover

Herself - City of Vallejo '355' Operator

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Kim Rossmo

Himself - Research Professor, Department of Criminal Justice, Texas State University