William Prochnau's primary photo
William Prochnau (1937–2018)
Writer
Primary photo for William Prochnau

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William Prochnau (1937–2018)

Writer
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Credits

2 titles
Past Film & Video (1 title) Budget Opening Weekend Gross
(US & Canada) 		Gross
(Worldwide)
Proof of Life
Proof of Life (2000)
Writer (article Adventures in the Ransom Trade) (inspiration) Writer (article Adventures in the Ransom Trade) (inspiration)   See fewer
$65MM
$10MM
$33MM
$63MM
Past Television (1 title) Episodes
By Dawn's Early Light
By Dawn's Early Light (1990)
(TV Movie) - Writer (novel "Trinity's Child") Writer (novel "Trinity's Child")   See fewer
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