Question: who played tom hagon in the godfather series?
Evidence: Robert Duvall Plays Tom Hagen, the Don's Consigliere, in The Godfather® II. Recently The Godfather® II developer JC spoke about one of the voice actors in the game, Robert Duvall who will be playing the role of Tom Hagen which he played in the movies The Godfather and The Godfather 2.
Answer: Robert Duvall