Henry Silva
Johnny Cool / Salvatore Giordano
Elizabeth Montgomery
Darien 'Dare' Guiness
Richard Anderson
Correspondent
Jim Backus
Louis Murphy
Joey Bishop
Holmes, Used Car Salesman
Brad Dexter
Lennart Crandall
Wanda Hendrix
Miss Connolly
Hank Henry
Larry, Bus Driver
Marc Lawrence
Johnny Colini
John McGiver
Oscar B. 'Oby' Hinds
Gregory Morton
Jerry March
Mort Sahl
Ben Morrow
Telly Savalas
Vincenzo 'Vince' Santangelo
Joan Staley
Suzy Blakely
Sammy Davis Jr.
Educated
Elisha Cook Jr.
Underworld Leader
John Dierkes
Cripple
Frank Albertson
Bill Blakely
Katharine Bard
Mrs. Crandall
Steve Peck
Kromlein
Joe Turkel
Hoodlum
Elvia Allman
Beauty Salon Receptionist
Robert Armstrong
Underworld Leader
George Cisar
George, a Bartender
Mary Scott
Margaret Huntington
Douglas Henderson
FBI Man
Douglass Dumbrille
Corrupt City Council Member
Joseph Calleia
Tourist
George N. Neise
Adrian Guinness
Maria Andre
Woman (uncredited)
Hal Baylor
Chris Willow Bird
Alex Bookston
Boyd Cabeen
Bill Catching
Jimmy Cross
Tony Dante
Michael Davis
Bruno Della Santina
Ken DuMain
George Eldredge
James W. Gavin
Art Gilmore
Bill Hickman
George Holmes
Clegg Hoyt
Edward Innes
Matty Jordan
Ray Kellogg
Pete Kooy
Joseph La Cava
Margie Liszt
Carmelo Manto
Peter Miller
Ralph Montgomery
Sol Murgi
Elizabeth Perry
Eddie Rosson
Pat Rosson
Cosmo Sardo
Sammy Shack
Mario Siletti
Theresa Testa
Kelly Thordsen
Victoria Vetri
Guy Way
Frank Wilcox
FBI Agent (uncredited)