The Cop in Blue Jeans
Squadra antiscippo (original)
Tomas Milian is Nico Geraldi, an undercover cop. His rough and unkempt appearance belies his seriousness regarding crime and criminals. As a ring of thieves plagues Rome, he attempts to find the criminal mastermind behind them. Richard Russo is the crime boss who successfully dodges the police while managing his criminal empire with ruthlessness. Geraldi must deal with him using unofficial means.
Starring Tomas Milian, Jack Palance, Maria Rosaria Omaggio, Guido Mannari, Raf Luca, Benito Stefanelli, Toni Ucci, Marcello Martana, Vincenzo Crocitti, Jack La Cayenne
Watch "The Cop in Blue Jeans" on Amazon released in 1976. It's a action & adventure and crime movie, and has a rating of 6 out of 10 from Imdb which is fairly okay for this kind of movie, and is currently only available for purchase or rent.