Overview
Old Silas Blackburn, a wealthy recluse, lives alone with his butler and his ward Katherine. One night, Katherine discovers Silas murdered in the room where three generations of Blackburns have mysteriously died. Silas' grandson Robert, whom Katherine loves, comes to visit the next day, suffering from amnesia.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 25 | June 6, 1951 (56) | |
 | 31 | November 15, 1974 (86) | |
 | 42 | March 7, 1934 (56) | |
 | -47 | November 19, 1935 (-31) | |
 | 42 | November 14, 1956 (79) | |
 | 50 | November 18, 1931 (61) | |
| - | - | |
| - | - | |
| 60 | August 20, 1940 (80) |