Overview
Marc Lanterne and Monsieur Smith investigate the home of a castellan who is the victim of jealousy, justified by the way, of his wife. Monsieur Dunoyau wants to know the author of the anonymous letters he receives. After a whole series of extraordinary adventures, the truth comes out and Dunoyau is reconciled with his wife.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 41 | December 10, 1965 (70) | |
 | 46 | May 5, 1971 (81) | |
 | - | - | |
 | 50 | May 13, 1938 (52) | |
 | 24 | January 2, 1992 (79) | |
 | 51 | April 24, 1973 (88) | |
 | 42 | May 28, 1965 (71) | |
 | 53 | September 25, 1959 (77) | |
 | 46 | June 3, 1980 (90) | |
 | - | - |