who played the gunnery sergeant in full metal jacket
R. Lee Ermey Ronald Lee Ermey (March 24, 1944 – April 15, 2018) was an American actor and Marine corps drill instructor. He achieved fame when he played Gunnery Sergeant Hartman in the 1987 film Full Metal Jacket, which earned him a Golden Globe Award nomination for Best Supporting Actor. Ermey was also a United States Marine Corps staff sergeant and an honorary gunnery sergeant. During his tenure in the United States Marine Corps, he also served as a drill instructor.