The Octagon (1980)
Genres: Action, Martial Arts
Cast: Chuck Norris
The Octagon is a 1980 American action martial arts film starring Chuck Norris, Karen Carlson and Lee Van Cleef. It was directed by Eric Karson and written by Paul Aaron and Leigh Chapman. The film involves a martial artist who must stop a group of terrorists trained in the ninja style by his half-brother.