Main Characters Narrator 107 main appearances Eliot Ness 106 main appearances Agent Enrico Rossi 97 main appearances Agent Lee Hobson 81 main appearances Agent William Youngfellow 73 main appearances Agent Jack Rossman 57 main appearances Frank Nitti 25 main appearances District Attorney Beecher Asbury 14 main appearances Agent Martin Flaherty 14 main appearances Agent Cam Allison 10 main appearances Agent Lamar Kane 4 main appearances
Recurring Guest Characters Police Officer 1 guest appearances Observer at Scene 1 guest appearances Marty Pulaski 1 guest appearances Janos 'Jake' Szabo 1 guest appearances Club Patron 1 guest appearances Club Patron 1 guest appearances Police Lt. Roy Gunther 1 guest appearances Soldier 1 guest appearances Gus Ducek 1 guest appearances Turnley 1 guest appearances Congressman Oliver 1 guest appearances Hannah 'Lucy' Wagnall 1 guest appearances Melanthos Moon 1 guest appearances Brookson 1 guest appearances Gil Kellerman 1 guest appearances Bunny Colton 1 guest appearances Cooker 1 guest appearances 'Handsome' Johnny Rollins 1 guest appearances Alcatraz Official 1 guest appearances Louis 'Lepke' Buchalter 1 guest appearances ⇤ « 2 3 4 5 6 7 8 9 10 11 » ⇥