Κυκλοφόρησε: Nov 14, 1976
Χρόνος εκτέλεσης: 1:47:31 λεπτά
Είδος: Αστυνομική
Αστέρια: Antonín Navrátil, Marie Horáková, Jan Hrušínský, Pavel Brabec, Michal Nesvadba, Václav Voska
Crew: Marie Helclová (Production Manager), Vlasta Janečková (Director), Vladimír Plicka (Director of Photography), Luboš Sluka (Original Music Composer), Petr Prima (Camera Operator), Helena Heribanová (First Assistant Director)