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A scientist develops a formula which will cause animals to regress to the form of their primitive ancestors, and tries it on himself with disastrous results.
as Prof. Clifford Groves
as Dr. Ross Harkness
as Jan Groves
as Ruth Marshall
as Game Warden George Oakes
as Celia
as Nola Mason, bar waitress
as Sheriff Andy Andrews
as Charlie Webb, bar owner
as Mr. Wheeler, hunter
as Danny, a townsman
as Buck Hastings, a townsman
as Jim Newcomb, a townsman
as Skeptical Naturalist
as Naturalists' Conference Chairman
as Dr. Fairchild
as Thickset Townsman at Webb's Cafe
as State Trooper Dispatcher
2020
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2020
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2020
2024
2020
1968
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2012
2025
2022
2009
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2015
1985
