The Old Fox (original German title "Der Alte", lit. "The Old Man") is a German crime drama created by Helmut Ringelmann. It premiered on April 11, 1977 on ZDF. Since 1978 the series is part of the legendary Friday Crime Night of the network. It depicts the crime solving activities of four police detectives, Chief Inspector Erwin Köster, played by Siegfried Lowitz until 1985, fr...