Steve Buscemi (Enoch 'Nucky' Thompson)




Michael Pitt (James 'Jimmy' Darmody)



Kelly Macdonald (Margaret Schroeder)





Michael Shannon (Agent Nelson Van Alden)




Shea Whigham (Elias 'Eli' Thompson)




Aleksa Palladino (Angela Darmody)




Michael Stuhlbarg (Arnold Rothstein)




Stephen Graham (Al Capone)




Vincent Piazza (Lucky Luciano)




Paz de la Huerta (Lucy Danziger)




Michael Kenneth Williams (Chalky White)




Anthony Laciura (Eddie Kessler)




Paul Sparks (Mickey Doyle)




Dabney Coleman (Commodore Louis Kaestner)




Gretchen Mol (Gillian Darmody)




Lucy Gallina (Emily Schroeder)




Josie Gallina (Emily Schroeder)




Declan McTigue (Teddy Schroeder)




Brady Noon (Tommy Darmody)




Connor Noon (Tommy Darmody)




Jack Huston (Richard Harrow)




Robert Clohessy (Ward Boss Neary)




Victor Verhaeghe (Ward Boss Fleming)




Anatol Yusef (Meyer Lansky)




William Hill (Ward Boss O'Neill)




Adam Mucci (Deputy Halloran)




Kevin O'Rourke (Edward Bader)





Edward McGinty (Ward Boss Boyd)




Charlie Cox (Owen Slater)




Greg Antonacci (Johnny Torrio)




Heather Lind (Katy)