Who played the buffalo hunter in lonesome dove?

In the miniseries "Lonesome Dove," the character of the buffalo hunter, Deets, is played by actor David Morse. Deets is a loyal companion to the main characters, Woodrow F. Call and Augustus "Gus" McCrae, and is known for his skills and dedication. The miniseries, based on Larry McMurtry's novel, originally aired in 1989 and has since become a classic in the Western genre.