One of my favorite films, it has the feel of a Delta depiction Beta events, it's all about anti-romanticizing violence.

"Amsterdam" Vallon - SLE
Bill the Butcher - EIE
Jenny Everdean - IEI
Priest Vallon (Liam Neeson) - LSI
Boss Tweed - Gamma, SEE maybe? (this portrayal, not necessarily the real guy)