Underworld U.S.A. (1961)7.3 /10

Storyline:  After witnessing his father’s murder at 14, Tolly Devlin vows revenge. Years later, while serving time, he manipulates dying mobster Farrar into revealing the names of the other killers. With the remaining mobsters now powerful lieutenants, Tolly infiltrates their organization, plotting to avenge his father and dismantle the syndicate from within.