Episode Detail: The Unhired Assassin - The Untouchables
Part 1. Members of Capone's mob plot to take over the World's Fair---by killing Mayor Anton Cermak (Robert Middleton). Ness: Robert Stack. Zangara: Joe Mantell. Nitti: Bruce Gordon. Campagna: Frank de Kova. Allison: Anthony George. Rossi: Nicholas Georgiade.