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Robert Shayne, Joyce Terry, Richard Crane, Doris Merrick, Beverly Garland, Robert Long, Tandra Quinn, Lee Morgan, Robert Easton, Frank Gerstle, William Fawcett,
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.
Original title The Neanderthal Man
IMDb Rating 4.4 365 votes
TMDb Rating 4.5 2 votes