Knall and Fall as Imposters
Knall and Fall as Imposters is a 1952 Austrian-German comedy film directed by Ulrich Bettac and Hubert Marischka and starring Hans Richter, Rudolf Carl and Curd Jürgens. It was followed by a 1953 sequel Knall and Fall as Detectives. It was shot at the Sievering Studios in Vienna and on location across the city.