An unknown sailor unravels the mystery of the Black Ponds marshes. People and animals have been disappearing there since time immemorial. Inspired by Jean Ray’s short story of the same name and introduced by Jacques Brel.
| Actor | Role |
|---|---|
 Christian BarbierHillmacher | Hillmacher |
| QQuentin MiloHans | Hans |
 Gaston VandermeulenMayor | Mayor |
 Danièle DenieNot listed | Not listed |
| NNele PaxinouServant | Servant |
| FFernand LéanePriest | Priest |
| BBernard LitynskiNot listed | Not listed |
| MMarcel ChevalierCarny | Carny |
 Jacques BrelIntroducer | Introducer |