- Country: Italy
- Genres: Crime, Thriller
- Release: 1969-08-08
- Director: Siro Marcellini
- Writers: Piero Regnoli , Siro Marcellini
- Language: Italian | Spanish
- Stars: Klaus Kinski , Maurice Poli , Franco Citti , Samy Pavel , Susy Andersen , Hélène Chanel , Micaela Pignatelli , Nello Pazzafini , Max Delys , Aurora Battista
- Runtime: 95 min
- Awards: N/A
- AKA: O nomos ton gangsters (Greece) , Der Killer , Gangsters' Law (United Kingdom) , La loi des gangsters (Canada) , Gangsters' Law , Der Killer: Das As der Unterwelt , La Loi des gangsters (France, French Republic) , Quintero , La ley del gangster (Spain) , O fonias (Greece) , La legge dei gangsters , La ley del gangster (Argentina) , La legge dei gangsters (Italy) , Quintero - Das As der Unterwelt , Gangster's Law (United States of America) , Gangsters' Law (United States of America) , Violent Kill (France, French Republic)
- Plot: A con man pulls a double-cross on a gang of vicious bank robbers.
- IMDB:tt0064870
Gangster’s Law Cast · · · ALL
Siro Marcellini
Director
Klaus Kinski
Quintero
Maurice Poli
Rino
Franco Citti
Bruno Esposito
Samy Pavel
Franco
Susy Andersen
Mayde
Aurora Bautista
Rosi - Bruno's lover
Donatella Turri
Regnier's Lover
Hélène Chanel
contessa Elena Villani
Micaela Pignatelli
Renato's Lover
Nello Pazzafini
Driver
Max Delys
Renato
Aldo Cecconi
Fulvio Rigani