Gil Birmingham (born July 13, 1953) is an American actor known for his role as Tribal Chairman Thomas Rainwater in the Paramount Network's television series Yellowstone. He is also known for his portrayal of Billy Black in The Twilight Saga film series and recurring television roles as George Hunter in Banshee and Virgil White in Unbreakable Kimmy Schmidt.

Early life
Birmingham was born in San Antonio, Texas. His father was of Comanche descent. His family moved frequently during his childhood due to his father's career in the military. Birmingham learned to play the guitar at an early age and considers music to be his "first love." After obtaining a Bachelor of Science from the USC Price School of Public Policy, he worked as a petrochemical engineer, but later decided to become an actor.