Little Tim Tammer, the son of a lighthouse keeper, lives right on the Baltic Sea beach, but his remote home often leaves him feeling lonely. When Young Pioneers pitch their tents nearby, he is overjoyed and quickly makes new friends.
| Actor | Role |
|---|---|
| RRalf StrohbachTim Tammer | Tim Tammer |
 Petra KellingElisa | Elisa |
 Horst DrindaAbschnittsbevollmächtigter | Abschnittsbevollmächtigter |
| RRalph BorgwardtTheo Brom | Theo Brom |
 Siegfried HöchstNot listed | Not listed |
 Arno WyzniewskiNot listed | Not listed |
| FFritz BartholdtNot listed | Not listed |
 Hans Hardt-HardtloffNot listed | Not listed |
 Otmar RichterNot listed | Not listed |
 Ernst-Georg SchwillNot listed | Not listed |
| GGünter DrescherNot listed | Not listed |
| DDetlef HeintzeNot listed | Not listed |
| KKlaus Jürgen KramerNot listed | Not listed |
 Peter DommischNot listed | Not listed |