Martin Semsmier

Martin Sensmeier (born June 27, 1985) is an American actor and model. Of Alaska Native and European American descent, he is known for playing various Native American roles. He starred in the 2016 remake The Magnificent Seven and had a recurring role as "Wanahton" in the HBO television series Westworld (2018). More recently, he has played a physical therapist in the TV series Yellowstone and a Comanche warrior named Sam in the prequel 1883, both directed by Taylor Sheridan. Early life