Steve Buscemi

Enoch "Nucky" Thompson

Kelly Macdonald

Margaret Schroeder

Michael Shannon

Nelson Van Alden

Shea Whigham

Elias Thompson

Stephen Graham

Al Capone

Michael Kenneth Williams

Chalky White

Paul Sparks

Mickey Doyle

Vincent Piazza

Lucky Luciano

Gretchen Mol

Gillian

Dominic Chianese

Leander Whitlock

Stephen Root

Gaston Means

Arron Shiver

Dean O'Banion

Jeffrey Wright

Dr. Valentin Narcisse

Aleksa Palladino

Angela

Ron Livingston

Roy Phillips

Brian Geraghty

Agent Warren Knox

Patricia Arquette

Sally Wheet

Domenick Lombardozzi

Ralph Capone

Morgan Spector

Frank Capone

Michael Stuhlbarg

Arnold Rothstein

Matt Letscher

Joseph Kennedy

Jim True-Frost

Eliot Ness

Jack Huston

Richard Harrow

Charlie Cox

Owen Sleater

Giampiero Judica

Salvatore Maranzano

Michael Pitt

Jimmy Darmody

Louis Cancelmi

Mike D'Angelo

Bobby Cannavale

Gyp Rosetti

Paz de la Huerta

Lucy

Anthony Laciura

Eddie Kessler

Dabney Coleman

Commodore Louis Kaestner

Christopher McDonald

Harry Daugherty

Meg Chambers Steedle

Billie Kent

Frank Crudele

"Big Jim" Colosimo

Erik LaRay Harvey

Dunn Purnsley

Terence Winter

Producer

Martin Scorsese

Producer

Timothy Van Patten

Producer

Stephen Levinson

Producer

Mark Wahlberg

Producer

Terence Winter

Writer

Terence Winter

Creator