Heintje Simons as Heintje

Heinz Reincke as Alfred Teichmann

Gerlinde Locker as Hanna Schwarz

Sieghardt Rupp as Günter Schelle

Dagmar Altrichter as Monika Klausen

Ralf Wolter as Harry

Solvi Stübing as Gerdi Weber

Rudolf Schündler as Principal Neumann

Karin Field as Else

Mogens von Gadow as Hugo Neubert

Edith Hancke as Lieschen

Hans Terofal as Rudi

Konrad Georg as Polizei-Inspektor

Peter W. Staub as Wache

Friedrich Schoenfelder as Schweizer Grenzpolizist