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.
Robert Shayne
Richard Crane
Joyce Terry
Doris Merrick
Robert Long
Score: 7.0
Score: 8.1
Score: 8.3
Score: 7.9
Score: 4.9
Score: 4.4
Score: 6.0
Score: 6.3
