Harry Bellaver
Frank Arcaro
Horace McMahon
Mike Parker
Paul Burke
Adam Flint
Lawrence Dobkin
Narrator (voice)
Nancy Malone
Libby Kingston
James Franciscus
Jimmy Halloran
John McIntire
Daniel Muldoon
Charles Dierkop
Hood #1 (uncredited)
Sorrell Booke
Mr. Leventhal
Johnny Seven
Carmine Tepperoni
Jack Klugman
Alfred Tiloff
Nehemiah Persoff
Barney Peters
Roger C. Carmel
Qwist
Mitchell Ryan
Quale
George Maharis
Johnny Gary
Lois Nettleton
Marie Marianni
Al Lewis
Mr. Carrari
Peter Falk
Frankie O'Hearn
Martin Balsam
Caldwell Wyatt
Robert Weil
Prisoner
Audra Lindley
Sheila Braden
Leonardo Cimino
Johnny
Lou Antonio
Civil Service Applicant (uncredited)
Joe Silver
Assistant D.A. Ketton
Robert Duvall
Barney Sonners
Luther Adler
Henri Tourelle
Jan Miner
Lia Wallace
Frank Sutton
Aces (uncredited)
Michael Strong
Det. Hal Perleman
Michael Tolan
Ricardo Gardio
Frank Campanella
Mr. Capado
Jay Novello
Gio Bartolo
Mike Kellin
Anton
Sylvia Miles
Woman #1
Michael Conrad
Pierce
James Barton
Bo Giles
Ludwig Donath
Doc Randall Benton
Joseph Campanella
Dr. Rutland
Jack Warden
Sam Langan
Woodrow Parfrey
Dr. Manning Wirtz