A man walks a length of railroad track, looking for his elderly mother whom he believes fell from the train at some point. He brings his daughter along.
| Actor | Role |
|---|---|
 Jean RochefortPierre | Pierre |
 Camille de CasabiancaAmélie | Amélie |
 Arlette BonnardClaire | Claire |
 Dominique BesnehardMarc | Marc |
 François BerléandLe témoin escroc | Le témoin escroc |
 Hubert Saint-MacaryL'examinateur | L'examinateur |