Article continues below advertisementRobert Duvall, the acclaimed actor who starred in The Godfather, had a remarkable career but carried a regret about his role in the classic film. Duvall, who passed away at 95 on February 15, once expressed a desire to change an aspect of his performance during a 2003 interview with People.Tap Here To Add Ok Magazine as A Trusted SourceArticle continues below advertisementSource: Paramount PicturesRobert Duvall once joked about a regret from 'The Godfather.