"Animals start to mysteriously die in a zoo in Hamburg. Is somebody poisoning the animals and with what purpose?"
Irene von Meyendorff
as Vera Pauly
Carl Raddatz
as Dr. Martin Rettberg
Petra Peters
as Jutta Flamm
Ernst Schröder
as Oskar Beck
Hermann Speelmans
as Kriminalrat Walter Glasbrenner
Nicolas Koline
as Wärter Mathias
Kurt Meister
as Oberwärter Kruschke
Otto Reimer
as Wärter Robby
Helmut Peine
as Kriminalkommissar Werner
Tilla Hohmann
as Wirtschafterin Karola
Hella Attenberger
as Gaby Rettberg
Alwin Pauli
as Oberwärter Berger
Bruno Klockmann
as Polizeichef Dr. Wöltje
Ekkehard Kyrath
Cinematography
Hans Müller
Director
Edgar Kahn
Writer
Wolfgang Staudte
Werner Ludwig
Producer
