Synopsis
When Joe Valachi has a price put on his head by Don Vito Genovese, he must take desperate steps to protect himself while in prison. An unsuccessful attempt to slit his throat puts him over the edge to break the sacred code of silence.
Cast

Charles Bronson
Joe Valachi

Lino Ventura
Vito Genovese

Jill Ireland
Maria Reina Valachi

Walter Chiari
Dominick Petrilli, aka "Gap"

Joseph Wiseman
Salvatore Maranzano

Gerald S. O'Loughlin
Ryan, federal agent

Amedeo Nazzari
Gaetano Reina

Fausto Tozzi
Albert Anastasia

Pupella Maggio
Letizia Reina

Angelo Infanti
Lucky Luciano

Guido Leontini
Tony Bender

María Baxa
Donna Petrillo

Mario Pilar
Salierno

Franco Borelli
Buster

Alessandro Sperli
Giuseppe 'Joe the Boss' Masseria
Natasha Chevelev
Jane

Anthony Dawson
Federal Investigator

Fred Valleca
Buck

John Alarimo
Steven Ferrigno (uncredited)

Calogero Azzaretto
Man of the clan (uncredited)

Joe Don Baker
Irish member of Valachi gang (uncredited)
Steve Belloise
Winnie (uncredited)

Angelo Boscariol
Gangster (uncredited)

Nestore Cavaricci
Prisoner with Valachi (uncredited)
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