New York cop Frank Serpico blows the whistle on the rampant corruption in the force only to have his comrades turn against him.
Not streaming on a subscription service in the US right now.
Starring Al Pacino, John Randolph, Jack Kehoe, Biff McGuire, Barbara Eda-Young, Cornelia Sharpe, Tony Roberts, John Medici, Allan Rich, Norman Ornellas