Two militia officers are assigned to a museum in an undercover assignment to protect a valuable painting from an international group of art thieves.
as Captain Stefan Berent
as Małgorzata Sadecka
as Wanda Szczęśniak
as Lieutenant Katarzyna Rogalska
as Professor Gawroński
as Władysław Janas
as Karol Wilczkiewicz
as Marczak
as Zientara
as Commissioner Didot
as Captain Półtorak
as Colonel Wala
as Militiaman
