Hailed by The New York Times as “the American Laurence Olivier,” Robert Duvall was always considered something of a late bloomer in Hollywood. Making his acclaimed film debut at age 31 as Arthur 'Boo' Radley in Robert Mulligan's "To Kill A Mockingbird" (1962), Duvall was 41 years old – ancient in Hollywood years – at the time of his iconic portrayal of Tom Hagen, valued consigliere and adopted son of Don Vito Corleone in "The Godfather" (1972). Although there was a rugged majesty to him, Duvall fell short of matinee idol material, a fact that dictated mostly supporting character work. However,