Born in Holdenville, Oklahoma, Clu Gulager grew up on his uncle's ranch as a cowhand, and when he was old enough he joined the Marine Corps where he was bitten with the acting bug while performing in army plays. He began his screen career in the 1950s with bit parts on popular westerns, usually playing the heavy. His 2022 role as Mr. Lawson in the film Give Till It Hurts is listed as his final acting credit.
Clu Gulager passed away at his son's home in Los Angeles of natural causes, at the age of 93.