Cast e produzione
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Al PacinoSerpico - John RandolphSidney Green
- Jack KehoeTom Keough
- Biff McGuireCaptain McClain
- Barbara Eda-YoungLaurie
- Cornelia SharpeLeslie
- Tony RobertsBob Blair
- Allan RichDist. Atty. Herman Tauber
- Norman OrnellasDon Rubello
- James TolkanLt. Steiger
- Edward GroverInsp. Lombardo
- Lewis J. StadlenJerry Berman
- Gene GrossCapt. Tolkin
- John LehneInsp. Gilbert
- M. Emmet WalshChief Gallagher
- George EdeDeputy Chief Insp. Daley
- Charles WhiteCommissioner Delaney
- Sidney LumetRegista
- Martin BregmanProduzione
- Dino De LaurentiisProduzione
- Waldo SaltSceneggiatura
- Norman WexlerSceneggiatura
- Mikīs TheodōrakīsMusica