Die Ente klingelt um halb acht

Main Cast (Top 10 billed, oldest first)

• Heinz Rühmann as Dr. Alexander

  Age at release: 66

• Rudolf Schündler as Staatsanwalt

  Age at release: 62

• Charles Regnier as Professor Sauermann

  Age at release: 54

• Hertha Feiler as Adele

  Age at release: 52

• John van Dreelen as Rechtsanwalt Kellermann

  Age at release: 46

• Balduin Baas as Judge

  Age at release: 46

• Sammy Drechsel as Reporter

  Age at release: 43

• Herbert Bötticher as Salesman

  Age at release: 39

• Alexander Allerson as Tommy

  Age at release: 38

• Graziella Granata as Dr Jaspers

  Age at release: 27