A small saver discovers the scam that threatens all subscribers to the "Caution foncière". He embarks on an incredible adventure to recover the funds paid in by his friends, and succeeds in exposing the scandal.
| Actor | Role |
|---|---|
 Jacques DufilhoFritz Ducharrel | Fritz Ducharrel |
 Michael LonsdaleSergel | Sergel |
 Henri PoirierLawyer | Lawyer |
 Maurice VallierHenri Butin | Henri Butin |
| GGuy d'AvoutDeputy | Deputy |
| RRobert BerriMoaner | Moaner |
 Dominique ZardiSaver | Saver |
| GGilbert RobinNotary | Notary |
 René-Jean ChauffardJudge | Judge |
 Jean-Claude RémoleuxPativer | Pativer |
| AAgostino VascoPortuguese | Portuguese |
| AAlexandre RandallMusician | Musician |
| JJoëlle AlexandreDeputy's daughter | Deputy's daughter |
 Annie SavarinSaver | Saver |
 Albert MichelBrigadier | Brigadier |
 Philippe CastelliMinister | Minister |
 Luc DelhumeauDoctor | Doctor |
| LLuc BartholoméMyopic | Myopic |
 Rudy LenoirSaver who gets hair implants | Saver who gets hair implants |
 Maurice TravailDoorman | Doorman |
 Jacques CanselierNot listed | Not listed |
| JJean-François DupasSaver | Saver |
 Jean AbeilléSaver | Saver |
| GGeorges LucasSaver | Saver |
| MMaria FerretSaver | Saver |
| MMario WalterLaugher | Laugher |
| EEdith FontaineSaver | Saver |
| SSuzanne DestratSaver | Saver |
| JJacques TarisNot listed | Not listed |
| PPierre RaffoNot listed | Not listed |