A former secret agent, who retired and wrote a first novel which tells the eventful adventures of his hero "Le Léopard ", comes back to work, reluctantly helped by an old maid.
| Actor | Role |
|---|---|
 Claude BrasseurLartigue | Lartigue |
 Dominique LavanantPauline Fitzgerald | Pauline Fitzgerald |
 Marius WeyersNicolas / Nick Denver | Nicolas / Nick Denver |
| MMax MégyLe colonel | Le colonel |
 Nini CréponLatimer | Latimer |
| LLiliane BertrandRose | Rose |
 Emilie BenoîtLe prostituée | Le prostituée |
 Andrew WhaleyL'homme en blanc | L'homme en blanc |
 Olivier AchardUn publiciste | Un publiciste |
| IIsa RambaudLa chauffeure de taxi | La chauffeure de taxi |