Joe Valachi

Charles Bronson

Maria Reina Valachi

Jill Ireland

Vito Genovese

Lino Ventura

Michael Callan

Dominick Petrilli

Walter Chiari

Salvatore Maranzano

Joseph Wiseman

Ryan, federal agent

Gerald S. O'Loughlin

Gaetano Reina

Amedeo Nazzari

Tony Bender

Guido Leontini

Albert Anastasia

Fausto Tozzi

Letizia Reina

Pupella Maggio

Giuseppe "Joe the Boss" Masseria

Alessandro Sperli

Lucky Luciano

Angelo Infanti

Donna Petrillo

Maria Baxa

Salierno

Mario Pilar

Buster

Franco Borelli

Johnny Beck

Fred Valleca

Jane

Natasha Chevelev

Steven Ferrigno

John Alarimo

Federal Investigator

Anthony Dawson

Jane

Natasha Chevelen

Penitentiary Warden

Arny Freeman

Little Augie

Giancomino De Michelis

Commander of Fort Monmouth

Syl Lamont

Man of the clan (uncredited)

Calogero Azzaretto

Jane

Sabine Sun

Irish member of Valachi gang (uncredited)

Joe Don Baker

Winnie (uncredited)

Steve Belloise

Mary Lou

Isabelle Marchal

Donna's Lover

Imelde Marani

Gangster (uncredited)

Angelo Boscariol

Prisoner with Valachi (uncredited)

Nestore Cavaricci

Donald Valachi

Jason McCallum

Masseria

Saro Urzi

Augie (uncredited)

Giacomo De Michelis

Frank

Frank Gio

Luciano's Henchman (uncredited)

Bruno Di Luia

Vinnie

Steve Belouise

Wedding party guest (uncredited)

Alfonso Giganti

State Trooper

Don Koll

Prison Guard (uncredited)

Ron Gilbert

Mary-Lou (uncredited)

Isabelle Marchall

Self (uncredited)

Robert Trout

(uncredited)

Franco Ressel

Judge (uncredited)

Richard Dunne