- Country: East Germany
- Genres: Crime, Family
- Release: 1985-02-12
- Director: Gunter Friedrich
- Writers: Gunter Friedrich , Gerd Gericke , Anne Goßens
- Language: German
- Stars: Alexander Heidenreich , Dirk Bartsch , Peggy Steiner , Matthias Krohse , Swetlana Schönfeld , Gert Grasse , Renate Heymer , Hilmar Baumann , Peter Bause , Dietmar Burkhard
- Runtime: 82 min
- Awards: N/A
- AKA: Unternehmen Geigenkasten , Unternehmen Geigenkasten , Операция «Скрипичный футляр»
- Plot: Ten years old Ole often gets in trouble for his crazy ideas. Just released from hospital after an attempt to fly with home-made wings, he becomes witness of a traffic accident. He observes that one of the men has a false beard, which makes him suspicious. Together with his best friend Andreas he will investigate the case in the manner of Sherlock Holmes and Dr. Watson.
- IMDB:tt0090238
Unternehmen Geigenkasten Cast · · · ALL
Gunter Friedrich
Director
Alexander Heidenreich
Ole
Dirk Bartsch
Andreas
Peggy Steiner
Marie
Matthias Krohse
Jens
Swetlana Schönfeld
Oles Mutter
Gert Grasse
Oles Vater
Renate Heymer
Andreas Mutter
Hilmar Baumann
Andreas Vater
Peter Bause
Oberleutnant Vogel
Dietmar Burkhard
Leutnant Büttner
Gesine Laatz
Fräulein Röder
Hartmut Schreier
Herr Franke
Andreas Schumann
Herr Neumann
Doris Thalmer
Frau Grabowski
Fred Delmare
Opa Tönnchen
Ursula Staack
Ulrich Voß