출연진 (30)
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
Gene Gross
Captain Tolkin
John Stewart
Waterman
Woodie King Jr.
Larry
James Tolkan
Steiger
Ed Crowley
Barto
Bernard Barrow
Palmer
Sal Carollo
Mr. Serpico
Mildred Clinton
Mrs. Serpico
Nathan George
Smith
Gus Fleming
Dr. Metz
Richard Foronjy
Corsaro
Alan North
Brown
Lewis J. Stadlen
Berman
John McQuade
Kellogg
Ted Beniades
Sarno