Tom Hardy

Al Capone

Linda Cardellini

Mae Capone

Matt Dillon

Johnny

Kyle MacLachlan

Doctor Karlock

Kathrine Narducci

Rosie

Jack Lowden

Crawford

Noel Fisher

Junior

Tilda Del Toro

Mona Lisa

Al Sapienza

Ralphie

Mason Guccione

Tony

Jhemma Ziegler

Betty

Rose Bianco

Nanna

Wayne Péré

Director Nordhoff

Gino Cafarelli

Gino

Manuel Fajardo

Zambini

Christopher Bianculli

Young Tony

Edgar Arreola

Rodrigo

CG Lewis

Young Goon

David Wachs

Dying Goon

Josh Trank

Agent Harris

Neal Brennan

Harold Mattingly

Jason Edwards

Drunk Dancing Man

Caiden Acurio

Vince

Mason Rozas

Danny

Emma Kathryn Coleman

Gabi

Tara Foy

Roberta

Reed Luckett Wiley

Mysterious Man #1

Troy Warren Anderson

Louis Armstrong

Andreanna L. Jenson

Nurse Lianne

Cameron Stout

FBI Agent (uncredited)

Jesse Mattson

Gino's Goon