Reparto y equipo

Sidney Lumet

Al Pacino Officer Frank Serpico

John Randolph Sidney Green

Jack Kehoe Tom Keough

Biff McGuire Captain McClain

Barbara Eda-Young Laurie

Cornelia Sharpe Leslie Lane

Tony Roberts Bob Blair

John Medici Pasquale

Allan Rich D. A. Tauber

Norman Ornellas Rubello

Edward Grover Lombardo

Albert Henderson Peluce

Hank Garrett Malone

Damien Leake Joey

Joseph Bova Potts

Martin Bregman

Dino De Laurentiis

Μίκης Θεοδωράκης

Arthur J. Ornitz

Dede Allen