Oscar-nominated "Dances With Wolves" actor Graham Greene has died at 73 years old after battling a "lengthy illness," his agent confirmed to ABC News.

Greene appeared alongside Kevin Costner in the Academy Award-winning 1990 film that garnered 12 nominations and seven wins, including Best Picture.

The film follows Costner as a Civil War soldier who bonds with a Sioux tribe and adapts to their way of life. Greene was nominated for Best Supporting Actor for his role as Kicking Bird.

Greene is also remembered for his roles in "Maverick" (1994), "Die Hard With a Vengeance" (1995), "The Green Mile" (1999), "The Twilight Saga: New Moon" (2009) and "Aaron Sorkin’s Molly’s Game" (2017).

His agent, Michael Greene, released a statement to ABC News after the actor's death, saying he "loved all he did for his people and for the world."

"He was a great man of Morals Ethics [and] Character and will be eternally missed. We love you, my brother greene God bless you," his agent said.

He is survived by his wife, Hilary Blackmore, daughter, Lilly Lazare-Greene, and grandson, Tarlo.

ABC News' Tristan Maglunog contributed to this report.