Claim: Robert Duvall won an Academy Award for his performance as Jack in Tender Mercies.
Evidence: He has been nominated for seven Academy Awards -LRB- winning for his performance in Tender Mercies -RRB- , seven Golden Globes -LRB- winning four -RRB- , and has multiple nominations and one win each of the BAFTA , Screen Actors Guild Award , and Emmy Award.
Robert Duvall plays the role of Mac ; the supporting cast includes Tess Harper , Betty Buckley , Wilford Brimley , Ellen Barkin and Allan Hubbard.