David Harbour stars as Trautman in a John Rambo prequel film.

David Harbour joins the cast of the upcoming John Rambo prequel, playing Major Trautman, the commanding officer who mentors a young John Rambo portrayed by Noah Centineo. The film, directed by Jalmari Helander, explores the action hero's early military experiences in the jungle and is executive produced by Sylvester Stallone. The project wrapped filming in Thailand, though a release date has not been announced.