Christian Slater character Charlie "Lucky" Luciano
Costas Mandylor character Frank Costello
Richard Grieco character Benjamin "Bugsy" Siegel
Patrick Dempsey character Meyer Lansky
Lara Flynn Boyle character Mara Motes
Michael Gambon character Don Salvatore Faranzano
Anthony Quinn character Don Giuseppe 'Joe the Boss' Masseria
Robert Z'Dar character Rocco
Chris Penn character Tommy Reina
F. Murray Abraham character Arnold Rothstein
Seymour Cassel character Father Bonotto
Andy Romano character Antonio Luciano
Bianca Rossini character Rosalie Luciano
Anto Nolan character Irish Cop
Joe Viterelli character Joe Profaci
Rodney Eastman character Joey
Karen Russell character Showgirl
Russ Fega character Nathan Citron