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 Pére Director Nordhoff Gino Cafarelli Gino Manuel Fajardo Zambini Christopher Bianculli Young Tony Edgar Arreola Rodrigo CG Lewis Young Goon David Wachs Dying Goon Cameron Stout FBI Agent (uncredited)