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.
Genre : HorrorScience Fiction
Runtime : 78 mins
Release Date : 1953-06-19




(Prof. Clifford Groves)

(Dr. Ross Harkness)
(Jan Groves)

(Ruth Marshall)
(Game Warden George Oakes)

(Celia)

(Nola Mason, bar waitress)

(Sheriff Andy Andrews)
(Charlie Webb, bar owner)

(Mr. Wheeler, hunter)

(Danny, a townsman)
(Buck Hastings, a townsman)

(Jim Newcomb, a townsman)

(Skeptical Naturalist)
(Naturalists' Conference Chairman)

(Dr. Fairchild)
(Thickset Townsman at Webb's Cafe)
(State Trooper Dispatcher)