Serpico (1973)

Director: 

Sidney Lumet

Writers: 

Peter Maas (book), Waldo Salt (screenplay)

Stars:

 Al Pacino, John Randolph and Jack Kehoe

Genre:Biography | Crime | Drama

Plot:

The true story about an honest New York cop who blew the whistle on rampant corruption in the force only to have his comrades turn against him.