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 Mrs. Mailer 1 guest appearances Morrie 1 guest appearances Renee Grayson 1 guest appearances Jimmy Canada 1 guest appearances Boley Davis 1 guest appearances Brooks Wells 1 guest appearances Eddie Moon 1 guest appearances Jackson Emmit Parker 1 guest appearances William Norbert 1 guest appearances Maybelle Maney 1 guest appearances Hans Eberhardt 1 guest appearances Mavis Carroll 1 guest appearances Herbie Pulaski 1 guest appearances Loren Hall 1 guest appearances Anna Bucco 1 guest appearances Eloise 1 guest appearances Keir Brannon 1 guest appearances Sue 1 guest appearances Bill Skidmore 1 guest appearances Fedor Bartok 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥