Gustaw Holoubek

'Profesor' the gangster ("Professor")

Gustaw Lutkiewicz

"Śruba" ("Professor")

Wojciech Rajewski

"Łysy" ("Professor")

Roman Kłosowski

Coach Driver ("Professor")

Zdzisław Leśniak

Radio Journalist ("Professor")

Marian Łącz

Militiaman ("Professor")

Kazimierz Opaliński

Judge ("Professor")

Danuta Wodyńska

Judge's Maid ("Professor")

Janusz Nasfeter

Prosecutor ("Professor") (uncredited)

Wiesław Michnikowski

Anastazy Kowalski ("Alcoholmeter")