Tintin finds himself involved in a mystery related to a drowned man, a can of crabmeat and a ship called Karaboudjan. After investigating the ship, Tintin discovers that the shipment of cans does not contain exactly crabmeat.
| Actor | Role |
|---|---|
 Thierry WermuthTintin (voice) | Tintin (voice) |
 Christian PelissierHaddock (voice) | Haddock (voice) |
 Yves BarsacqDupont (voice) | Dupont (voice) |
 Jean-Pierre MoulinDupond (voice) | Dupond (voice) |
 Susan RomanMilou (voice) | Milou (voice) |
| MMarc MoroAllan Thompson (voice) | Allan Thompson (voice) |