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 Gunther 1 guest appearances News Vendor 1 guest appearances Flophouse Manager 1 guest appearances Michel Viton 1 guest appearances Museum Night Watchman 1 guest appearances Benno 1 guest appearances Newsboy 1 guest appearances Man in Knife Fight 1 guest appearances Colescou Henchman 1 guest appearances Man at Party 1 guest appearances Guard 1 guest appearances Howard 1 guest appearances ⇤ « 9 10 11 12 13 14 15 16 17 18 » ⇥