Overview
"The Claydon Treasure Mystery" stars reliable John Stuart as an engineer (Peter Kerrigan) interested in solving mysteries, who becomes involved in investigating murders at Marsh Manor, home of the wealthy Claydon family. Plenty of suspects to choose from, Kerrigan believes that the murders may be connected to hidden treasure on the estate.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 40 | October 17, 1979 (81) | |
 | 36 | March 6, 1981 (78) | |
 | 64 | January 4, 1945 (71) | |
| 57 | December 1, 1939 (58) | |
 | 20 | August 29, 1985 (67) | |
 | 65 | May 28, 1948 (74) | |
 | 60 | May 9, 1968 (90) | |
 | 38 | January 1, 1959 (58) | |
| 33 | February 1, 1999 (93) | |
| - | January 13, 1958 (null) |