Overview
Colonel Barclay is found dead and his wife is arrested for the murder, but Holmes is convinced a missing door key will reveal the true killer.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 61 | December 24, 1948 (87) | |
 | 46 | December 13, 1933 (57) | |
 | 29 | June 4, 1968 (74) | |
| 19 | January 1, 1994 (90) | |
 | 53 | January 1, 1944 (74) | |
| - | - |