Film · TMDB
4.3A 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.
Released: 1953-06-1978 minDir: E.A. DupontHorror, Science Fiction
Cast
- Robert Shayne as Prof. Clifford Groves
- Richard Crane as Dr. Ross Harkness
- Joyce Terry as Jan Groves
- Doris Merrick as Ruth Marshall
- Robert Long as Game Warden George Oakes
- Tandra Quinn as Celia
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1950s science fiction horror films1953 American films1953 English-language films1953 films1953 horror films1953 science fiction filmsAmerican black-and-white filmsAmerican science fiction horror filmsEnglish-language science fiction horror filmsFiction about NeanderthalsFilms directed by E. A. DupontFilms produced by Aubrey Wisberg