The trio of adventurous pals, a man who is a scientist, a fine lady and a former military pilot are in the Indochina jungles looking for some mysterious vase that holds a metal container that is of no mundane origin.
| Actor | Role |
|---|---|
 Krzysztof KolbergerJan Tarnas | Jan Tarnas |
 Roman WilhelmiBernard Traven | Bernard Traven |
 Ewa SałackaChristine | Christine |
 Zbigniew LesieńNoiret | Noiret |
 Leon NiemczykMan with Black Glasses | Man with Black Glasses |
 Igor PrzegrodzkiBreecher | Breecher |
 Zygmunt BielawskiMorineau | Morineau |
 Henryk BistaReporter | Reporter |
 Lân BíchNumi | Numi |
| LLe Van TaonAccompanist Monk | Accompanist Monk |
 Thinh TrinhOfficial | Official |
| TTuấn TúMonk #1 | Monk #1 |
| TTam MinhMonk #2 | Monk #2 |
| HHuu HienMonk #3 | Monk #3 |
 Sergei DesnitskyAndriej Buturlin | Andriej Buturlin |
 Tõnu SaarSaar | Saar |
 Margus TuulingPolice Chief in Paris | Police Chief in Paris |
 Mikk MikiverDirector of Organization | Director of Organization |
 Ain JürissonGuard in Laboratory (uncredited) | Guard in Laboratory (uncredited) |
 Marek PiestrakPilot #1 (uncredited) | Pilot #1 (uncredited) |
 Guido KangurPilot #2 (uncredited) | Pilot #2 (uncredited) |