- Country: Poland
- Genres: Crime, Mystery
- Release: 1974-06-23
- Director: Marek Piestrak
- Writers: Andrzej Kotkowski , Stanislaw Lem , Marek Piestrak
- Language: Polish
- Stars: Tadeusz Borowski , Edmund Fetting , Jerzy Przybylski , Boleslaw Abart , Bogumil Antczak , Henryk Hunko , Róza Czaplewska , Zbigniew Geiger , Maciej Grzybowski , Mieczyslaw Janowski
- Runtime: 53 min
- Awards: N/A
- AKA: Die Untersuchung , Śledztwo (Poland) , Расследование (Russian Federation) , Sledztwo
- Plot: The young Scotland Yard inspector Gregory takes part in the investigation in an unusual case: corpses systematically disappear from the morgues of rural hospitals in the vicinity of London. The circumstances of these incidents are...
- IMDB:tt0938810
Sledztwo Cast · · · ALL
Marek Piestrak
Director
Tadeusz Borowski
Gregory
Edmund Fetting
Sheppard
Jerzy Przybylski
Sciss
Boleslaw Abart
Bogumil Antczak
Henryk Hunko
Mieczyslaw Janowski
Ireneusz Kaskiewicz
Eugeniusz Korczarowski
Zbigniew Lesien
Ferdynand Matysik
Edward Radulski
Tadeusz Schmidt
Ewa Zdzieszynska
Zygmunt Zintel