Overview
Chaney plays two roles: mad scientist Arthur Lamb and Lamb's "experiment", known only as the Ape Man. This hideous creature was the result of Lamb's attempts to transplant animal glands into human beings. A lost film.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 39 | August 26, 1930 (47) | |
 | 29 | October 3, 1984 (91) | |
 | 21 | April 4, 1983 (81) | |
 | 33 | June 10, 1971 (82) | |
 | 25 | September 13, 1964 (66) | |
 | 46 | October 28, 1939 (63) | |
 | 41 | September 2, 1955 (74) |