Cast & Crew
- Steve BuscemiEnoch "Nucky" Thompson
- Kelly MacdonaldMargaret Schroeder
- Michael ShannonNelson Van Alden
- Shea WhighamElias Thompson
- Stephen GrahamAl Capone
- Michael Kenneth WilliamsChalky White
- Paul SparksMickey Doyle
- Vincent PiazzaLucky Luciano
- Gretchen MolGillian
- Dominic ChianeseLeander Whitlock
- Stephen RootGaston Means
- Arron ShiverDean O'Banion
- Jeffrey WrightDr. Valentin Narcisse
- Aleksa PalladinoAngela
- Ron LivingstonRoy Phillips
- Brian GeraghtyAgent Warren Knox
- Patricia ArquetteSally Wheet
- Domenick LombardozziRalph Capone
- Morgan SpectorFrank Capone
- Michael StuhlbargArnold Rothstein
- Matt LetscherJoseph Kennedy
- Jim True-FrostEliot Ness
- Jack HustonRichard Harrow
- Charlie CoxOwen Sleater
- Giampiero JudicaSalvatore Maranzano
- Michael PittJames 'Jimmy' Darmody
- Louis CancelmiMike D'Angelo
- Bobby CannavaleActor
- Paz de la HuertaLucy
- Anthony LaciuraEddie Kessler
- Dabney ColemanCommodore Louis Kaestner
- Christopher McDonaldHarry Daugherty
- Meg Chambers SteedleBillie Kent
- Frank Crudele"Big Jim" Colosimo
- Erik LaRay HarveyDunn Purnsley
- Martin ScorseseDirector
- Timothy Van PattenDirector
- Terence WinterProducer
- Mark WahlbergExecutive Producer
- Martin ScorseseExecutive Producer
- Terence WinterExecutive Producer
- Timothy Van PattenExecutive Producer
- Terence WinterWriter
- Terence WinterCreator