• 
  Peter Facinelli

  George 'Bugs' Moran
• 
  Jason Patric

  Detective Reed
• 
  Michael Paré

  O'Connor
• 
  Mark Rolston

  Dion O'Banion
• 
  Al Sapienza

  Johnny Torrio
• 
  Sean Faris

  Jack McGurn
• 
  Sean Kanan

  Detective Boyle
• 
  Jamie-Lynn Sigler

  Lulu Rolfe

• 
  Shane Pliskin

  Anthony Bascone
• 
  James Bartz

  Agent McConnell
• 
  Jody Barton

  Detective Randall
• 
  Shane Almagor

  Paperboy
• 
  Milo Gibson

  Al Capone
• 
  Drake Andrew

  Giovanni Scalise
• 
  Thaddeus Armstrong

  North Side Mobster