 David JanssenArnold Rothstein | Arnold Rothstein |
 Dianne FosterCarolyn Green Rothstein | Carolyn Green Rothstein |
 Jack CarsonTimothy W. 'Big Tim' O'Brien | Timothy W. 'Big Tim' O'Brien |
 Diana DorsMadge | Madge |
 Dan O'HerlihyDetective Phil Butler | Detective Phil Butler |
 Mickey ShaughnessyJim Kelly | Jim Kelly |
 Keenan WynnTom Fowler | Tom Fowler |
 William DemarestHenry Hecht | Henry Hecht |
 Regis ToomeyBill Baird | Bill Baird |
 Robert EllensteinLenny | Lenny |
 Tim RooneyJohnny Burke as Young Boy | Johnny Burke as Young Boy |
 Murvyn VyeWilliams | Williams |
 Jimmy BairdArnold Rothstein as Young Boy | Arnold Rothstein as Young Boy |
 Joseph SchildkrautAbraham Rothstein | Abraham Rothstein |
 Mickey RooneyJohnny Burke | Johnny Burke |
 Fred AldrichO'Brien Hood (uncredited) | O'Brien Hood (uncredited) |
 James BaconInvestment Man (uncredited) | Investment Man (uncredited) |
| BBrandon BeachGambler (uncredited) | Gambler (uncredited) |
 Russ BenderRacetrack Official (uncredited) | Racetrack Official (uncredited) |
 George BlagoiGambling Casino Patron (uncredited) | Gambling Casino Patron (uncredited) |
| RRalph BrooksRestaurant Patron (uncredited) | Restaurant Patron (uncredited) |
| GGeorge BruggemanRestaurant Patron (uncredited) | Restaurant Patron (uncredited) |
 Paul BryarPolice Detective (uncredited) | Police Detective (uncredited) |
 George CalligaGambler (uncredited) | Gambler (uncredited) |
 Steve CarruthersGambling Casino Patron (uncredited) | Gambling Casino Patron (uncredited) |
| DDick CherneyPolice Officer (uncredited) | Police Officer (uncredited) |
 John DamlerJohn (uncredited) | John (uncredited) |
| GGeorge FordRestaurant Patron (uncredited) | Restaurant Patron (uncredited) |
| BBobby GilbertWaiter (uncredited) | Waiter (uncredited) |
| RRobert HainesWaiter (uncredited) | Waiter (uncredited) |
