| Name | Character | Episodes |
|---|---|---|
| Albert Dray | Tangui (SRPJ Lyon) | 4 |
| Bruno Cremer | Le commissaire Chenu | 4 |
| Jean-Pierre Castaldi | Lepage (SRPJ Lyon) | 4 |
| Jean Benguigui | Guérin (SRPJ Lyon) | 4 |
| Violetta Sanchez | Colette Selzer | 4 |
| Gérard Lanvin | Julien Ravel | 4 |
| Marc Chapiteau | Bontemps (SRPJ Lyon) | 4 |
| Michel Fortin | Commissaire Brabant | 4 |