Charles Dierkop
Registered Mail Clerk (uncredited), Boy who Gets Beaten Up (uncredited), Tow Truck Driver (uncredited), Hood #1 (uncredited), Shag's Friend (uncredited), Hood (uncredited), Shushing man at concert (uncredited), Hungarian in Rail Yard (uncredited), Arrest Suspect (uncredited)
Sorrell Booke
Mr. Leventhal, Doctor, Private Detective, Mr. Hawk, Detective, Fentus, Salvatore Rogero, Uncle George
Jack Klugman
Joe Calageras, Sam Braden, Alfred Tiloff, Patrolman Mike Greco, Arthur Crews, Pete Kammik
Nehemiah Persoff
Berco Romanu, Barney Peters, Carlos Ruldan, Max Evar, Dominic Venussi, Merritt Griffin
Johnny Seven
Stitch, Carmine Tepperoni, Al Lacey, Paul Colano, Brick, Biggers
Roger C. Carmel
Harry Staples, Al Buxley, Alfred Gurdine, Fitch, Lowell F. Newton, Qwist
Mitchell Ryan
Paul Tamarind, Overton, Quale, Marty Minters, Driver (uncredited)
Martin Balsam
Arnold Fleischman, Joseph Creeley, Caldwell Wyatt, Captain Russel Barris
Peter Falk
Gimpy (uncredited), Extortionist, Frankie O'Hearn, Lee Staunton
Lois Nettleton
Sara, Marie Marianni, Merissa Mori, Fran Burney
George Maharis
Lundy, Stroke Strokirch, Tony Bacallas, Johnny Gary
Al Lewis
Mr. Pike, Gus, Mr. Carrari, Mr. Tanner
Robert Weil
Nesvady, Prisoner, Betting Man, Happy
Audra Lindley
Grace Youngham, Mrs. Denton, Sheila Braden
Robert Duvall
Johnny Meigs, Barney Sonners, L. Francis Childe, Lewis Nunda
Joe Silver
Man in Doorway, Dean of Admissions, Assistant D.A. Ketton
Lou Antonio
Al Machias, Civil Service Applicant (uncredited), Charlie Tepperoni, Ernie
Jan Miner
Superintendent, Elsie Knauf, Rosie Wilkin, Lia Wallace
Luther Adler
Mr. Kovar, Henri Tourelle, Sean Wicklow, Willard Manson
Leonardo Cimino
Julio Varraco, Sid Kitka, Miklos Konya, Johnny
Doris Rich
Lady in Doorway, Mrs. Highmark, Mrs. Sarah Bell, Mrs. Jassy
Michael Tolan
Peter Merrell, Ricardo Gardio, Det. Alan Keller
Sid Raymond
Max (uncredited), Elevator Operator (uncredited), Bartender
Frank Sutton
Aces (uncredited), Franklin Maquon, Marco Butcher
Martin Sheen
Phillip Kosnik, Counterman, Nick (uncredited)
Jay Novello
Gio Bartolo, Juan Menguado, Antonio Scarzi
Mike Kellin
Louis Wystemski, Billy Ketch, Anton
Sylvia Miles
Jenny Barr, Woman #1, Girl In Bar
Barry Morse
Dr. Paul Multer, Art Dealer, Professor Ernest Johns
Ludwig Donath
Stefan, Doc Randall Benton, Owner of Pawnshop
Michael Conrad
Pierce, Firing Range Officer (uncredited), Hartog
