Several children find out what's the matter with a wreck offshore, which puts them into jeopardy.
Peter Drews
Karl Drews
Oberleutnant Herbert Fröhlich
Leutnant Gerhard Schrader
Unteroffizier Heinz Kersten
Stine Drews
Augustine Schmalz
Wittke Röhrdanz
Großvater Timm
Älterer Grenzpolizist
