| Name | Character | Episodes |
|---|---|---|
| Rowan Atkinson | Jules Maigret | 4 |
| Shaun Dingwall | Inspector Janvier | 4 |
| Colin Mace | Inspector Lognon | 4 |
| Fiona Shaw | Madame Moncin | 1 |
| David Dawson | Marcel Moncin | 1 |
| Christopher Bowen | Inspector Lefors | 1 |
| Rebecca Night | Yvonne Moncin | 1 |
| Name | Character | Episodes |
|---|---|---|
| Rowan Atkinson | Jules Maigret | 4 |
| Shaun Dingwall | Inspector Janvier | 4 |
| Colin Mace | Inspector Lognon | 4 |
| Fiona Shaw | Madame Moncin | 1 |
| David Dawson | Marcel Moncin | 1 |
| Christopher Bowen | Inspector Lefors | 1 |
| Rebecca Night | Yvonne Moncin | 1 |