Enoch 'Nucky' Thompson
Margaret Thompson (credit only)
Nelson Van Alden (credit only)
Elias 'Eli' Thompson (credit only)
Arnold Rothstein
Al Capone (credit only)
Lucky Luciano (credit only)
Chalky White
Eddie Kessler (credit only)
Mickey Doyle
Richard Harrow
Roy Phillips
Valentin Narcisse
Gillian Darmody
Sally Wheet
Willie Thompson
Dunn Purnsley
August Tucker
Owney Madden
Carl Billings
Mickey's Warehouse Guard 1 (as Herbert A. Bennett)
Daughter Maitland
Bill McCoy
Clayton
Henry
Tip
Mickey's Warehouse Guard 2
Doris
Claudia
Skeeter Walsh
Temple Student
David Hewson
Helen Hewson
Narcisse's Secretary
Roger's Friend
Flitch
Bellhop
Realtor
Hubert McCready
Emma Harrow
Fleeced Deed Buyer (uncredited)
Club Patron (uncredited)
UNIA Member (uncredited)
Tennis Player (uncredited)
Tampa Hotel Guest (uncredited)
Temple University Student (uncredited)
Kissing Couple #2 (uncredited)
Al Capone's henchman (uncredited)
(uncredited)
Fitzy (uncredited)
Nucky's Bodyguard (uncredited)