tell me more about RIP to actor Graham Greene, the legendary actor who portrayed Rains Fall in RDR2

Graham Greene (born 1952) is an acclaimed Canadian First Nations actor known for his quiet authority, dignity, and depth in portraying Indigenous and other characters across film and television. In The Green Mile (1999), directed by Frank Darabont, Greene plays Dr. Jeff Reardon, a prison physician who provides medical care at Cold Mountain Penitentiary. Though a relatively small role in a large ensemble, Greene’s calm, professional presence helps ground the film’s depiction of the institutional setting and lends credibility to the prison environment surrounding the film’s supernatural central story. Other notable film and television appearances: - Dances with Wolves (1990) — Greene received wide recognition for his portrayal of Kicking Bird, the wise Sioux councilor; the role earned him an Academy Award nomination for Best Supporting Actor. - Thunderheart (1992) — He plays a pivotal role in this Indigenous-issues crime thriller, contributing to the film’s exploration of reservation life and federal involvement. - I Know a Woman Like That / The Doe Boy (2001) — Greene appears in films addressing Native identity and contemporary Indigenous experience. - Skins (2002 TV miniseries) — A strong television role in a drama about Indigenous youth in Canada. - Longmire (TV series, recurring role) — Greene had a notable recurring role, bringing depth and moral complexity to the show’s portrayal of reservation politics and culture. - The Red Violin (1998) — Supporting role in the multi-era narrative film. - Older notable credits include appearances in Backroads, The Green Mile (as noted), and numerous Canadian and U.S. productions where his presence frequently elevates supporting ensembles. Greene’s career is distinguished by roles that convey moral authority and cultural authenticity. He has been a significant figure in bringing Indigenous characters to mainstream cinema with nuance and respect. For more on his career, see his filmography on IMDb and profiles in film references such as the Oxford Companion to Canadian Film.