They All Knew Each Other A car factory in the GDR. During a test ride there is a major accident. One driver is dead, another is seriously injured. The investigation reveals: sabotage. Details Casts Galleries Posters Title They All Knew Each Other Release Date 1958-04-29 Runtime 01 Hours 23 Minutes Genres Drama Mystery Production Companies DEFA Production Countries East Germany, Germany Horst Drinda... Brückner... Erich Franz... Kilian... Harry Hindemith... Böhnke... Sonja Sutter... Herta Klausner... Wolfgang Stumpf... Schott... Ulrich Thein... Auerbach... Paul R. Henker... Klausner... Karl Kendzia... Oswald... Else Korén... Frau Bobinger... Horst Kube... Schmieder... Fred Ludwig... Köhler... Dieter Perlwitz... Seiffert... Werner Lierck... ... Lotte Loebinger... Frau Oswald... Horst Preusker... Nowak... Siegfried Weiß... Dr. Blei... Original Size (1280x720) Original Size (500x750)