Overview
A scientist attempts to transplant a gorilla's brain into a man.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 31 | January 25, 1981 (88) | |
 | 20 | December 31, 1997 (94) | |
 | 39 | December 29, 1971 (87) | |
 | 42 | June 22, 1928 (46) | |
 | 43 | February 19, 1965 (84) | |
 | 50 | March 24, 1931 (58) | |
 | 32 | June 5, 1950 (58) | |
 | 31 | June 23, 1969 (76) | |
 | - | - |