Sherman Augustus (born January 10, 1959) is an American actor, martial artist and former NFL player. He is best known for his role as Nathaniel Moon in the AMC series Into the Badlands and as Lt. Colonel Jack Sullivan in season 4 of Stranger Things. Augustus played professional football with the San Diego Chargers and Minnesota Vikings. He played college football at Northwestern College in Saint Paul, Minnesota with Jimmy Bridges.

He is a 2nd Degree Black Belt in the martial art of Taekwondo.