Two boys are helping the border guards to find a mysterious moor hound used by spies to transfer messages across the border.
Günther Simon
Oberleutnant Suter
Horst Kube
Fischer
Rolf Ripperger
Leutnant Neumann
Dieter Perlwitz
Paul Schultz
Peter Sturm
Karl Schultz
Elfriede Florin
Mutter Schultz
Wolfgang Glaser
Klaus
Klaus Urban
Lotte Loebinger
Maika Joseph
Günter Hauk
Original Music Composer
Otto Merz
Director of Photography
Konrad Petzold
Director
Writer
Signe Thiessen
Ilse Peters
Editor