Now I have some question for you hardcore GF fans. Brando turned down the oscar for GF I, I think I heard he saw his preformance and only saw the faults. He thought he didn't deserve the best actor award. He also didnt' show up to GF II for the last scene to be filmed and thus wasn't in it. Could anybody elaborate on this.

Duvall, wasn't in GF III. I don't blame him, his role in I and II are virtually identical. His charcter has little growth in both movies. Is this the reason he didn't return?

Richard S. Castellano, who played Peter Clemenza didn't return for GF II. Michael V. Gazzo is great as Pentageli, but what is the reason he didn't return to take on the role.