When he reaches age 18, Peter is released from the children's home where he grew up, but this does not mean he is truly ready for adult life.
| Actor | Role |
|---|---|
 Andrzej PieczyńskiPeter Seidel | Peter Seidel |
| JJutta WachowiakMargot | Margot |
| SSiegrid ReintschSabine Vollbrecht | Sabine Vollbrecht |
 Dieter FrankeHeimleiter Böttcher | Heimleiter Böttcher |
 Franziska TroegnerMarlies | Marlies |
| HHans-Joachim RodewaldChristoph | Christoph |
 Christian GrashofHenni | Henni |
 Barbara DittusSabines Mutter | Sabines Mutter |
 Hilmar BaumannSabines Vater | Sabines Vater |
 Katja ParylaFrau Ziehwein | Frau Ziehwein |
| WWerner GodemannKaderleiter Berwinkel | Kaderleiter Berwinkel |
 Hans KleringNot listed | Not listed |
 Walter LendrichNot listed | Not listed |
 Martin TrettauNot listed | Not listed |
| UUrsula StaackNot listed | Not listed |
 Lothar TarelkinNot listed | Not listed |
 Hans-Uwe BauerNot listed | Not listed |
 Carola BraunbockNot listed | Not listed |
| HHeinz HupferNot listed | Not listed |
| RRoland KuchenbuchNot listed | Not listed |
| TTheresia WiderNot listed | Not listed |