当乔·瓦拉奇（查尔斯·布朗森饰）被唐·维托·吉诺维斯（利诺·文图拉饰）当头棒喝时，他必须在狱中采取绝望的措施来保护自己。一次割断他的喉咙的尝试没有成功，这让他不得不打破神圣的沉默准则。
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
