Phillip Baker Hall is great, especially in Paul Thomas Anderson's movies. You already mentioned Boogie Nights. See Hard Eight if you haven't. It's hard to find. Not on netflix or anything. Hall played Toddo Aurello in Witness to the Mob.
"...the successful annihilation of organized crime's subculture in America would rock the 'legitimate' world's foundation, which would ultimately force fundamental social changes and redistributions of wealth and power in this country. Meyer Lansky's dream was to bond the two worlds together so that one could not survive without the other." - Dan E. Moldea
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