title: Knall and Fall as Detectives
text: # Knall and Fall as Detectives
  
  Knall and Fall as Detectives (German: Knall und Fall als Detektive) is a 1953 Austrian-West German comedy film directed by Hans Heinrich and starring Hans Richter, Rudolf Carl, and Ingrid Lutz. It was made as a sequel to the 1952 film Knall and Fall as Imposters. It was shot at the Spandau Studios in Berlin. The film's sets were designed by the art director Rolf Zehetbauer.
  
  ## Cast
  
  * Hans Richter as Knall
  * Rudolf Carl as Fall
  * Fritz Wagner as Peter
  * Ingrid Lutz as Lisa
  * Ludwig Schmitz as Balduin Bornemann
  * Bruno Hübner as Schmittchen
  * Erika von Thellmann as Frau Schreyvogel
  * Hubert von Meyerinck as Stapler
  * Charlott Daudert as Lucie
  * Joachim Teege as Dr. Klarwein
  * Rolf Heydel [de]
  * Herbert Kiper
  * Ewald Wenck
  * Herbert Weissbach
  * Ingeborg Wellmann [de; nds; pl]
  * Franz Stein as Professor Brott
  * Reinhard Kolldehoff
  * Otto Lengwinat
  * Peter Schiff [de]
  * Egon Stief
  