Yes, Zahn McClarnon is a twin.
The 56-year-old Longmire star McClarnon has a fraternal twin brother.
American film and television actor Zahn McClarnon is well known for his role as Police Chief Mathias in the American modern Western crime drama television series Longmire.
McClarnon attended Omaha Central High School where he graduated in 1986.
After beginning his acting career in a local production of Jesus Christ Superstar at the Chanticleer Theater in Council Bluffs, Iowa, and also earning some local work in the early 1990s, McClarnon migrated to Los Angeles to pursue his career.
Following his role as Little Creek’s Friend in the 2002 American animated western film Spirit: Stallion of the Cimarron, McClarnon played three episodes in Into the West as Running Fox in 2005.
In his career that has spanned over three decades, McClarnon has starred in more than 80 movies and tv shows.
McClarnon suffered a brain injury after falling at his home in late 2017 which resulted in being hospitalized.