Mean Streets hands down; but I also loved The Godfather, (parts I and II); Scarface; Casino; The Untouchables; and Goodfellas.
2. Who is your favorite gangster actor?
Who else but DeNiro and Pacino?
3. Who is your favorite gangster film character, and in what film does he or she appear?
Well, #1 is Johnny Boy (Mean Streets), and then comes Tony Montana (Scarface). Though, Jimmy Burke (Goodfellas) and Charlie (Mean Streets) are up there too.
4. Who is your favorite director in the gangster genre?
5. What is your favorite quote or piece of dialog?
Johnny Boy: Y'know Joey Clams...
Johnny Boy: ...Joey Scallops, yeah.
Charlie: I know him too, yeah.
Johnny Boy: ...yeah. No. No, Joey Scallops is Joey Clams.
Johnny Boy: Right.
Charlie: ...they're the same person!
Johnny Boy: Yeah!
Johnny Boy: 'ey...
6. What is your favorite scene? That very last scene in Scarface when Tony got shot and fell into the fountain; it was incredibly awesome when the camera paned upwards to reveal that globe decoration carved into the fountain. “The World Is Yours.”