Zahn Tokiya-ku McClarnon (born October 24, 1966, Hunkpapa Lakota) is a Native American actor of half-Irish descent. Born in Denver, Colorado, he lived in various places in the West, and visited his maternal grandparents at the Blackfeet Indian Reservation in Montana.
Zahn started acting in high school. Professionally, he is best known for his performances as Police Chief Mathias in the Western crime drama series Longmire, Hanzee Dent in the second season of Fargo, and Akecheta in the second season of Westworld.
McClarnon was born in Denver, Colorado, the son of a Hunkpapa Lakota mother and a father of Irish ancestry. He grew up near Browning, Montana, where his father worked at Glacier National Park for the National Park Service. He would often visit the Blackfeet Indian Reservation, where his mother grew up, and often lived with his maternal grandparents on weekends and for longer visits. His mother lived on the Rosebud Indian Reservation in South Dakota. When his father was relocated to Omaha, Nebraska, for work, the family lived in the Joslyn Castle and Dundee neighborhood.