The Octagon (1980)

A martial artist must defeat a plan by ninjas to create a worldwide training camp for terrorists.

Director: Eric Karson

Cast: Chuck Norris, Karen Carlson, Lee Van Cleef, Art Hindle, Carol Bagdasarian, Tadashi Yamashita, Kim Lankford, Larry D. Mann, Kurt Grayson, Richard Norton, Yuki Shimoda, Redmond Gleeson, Alan Chappuis, Brian Libby, Ken Gibbel, Cheyenne Rivera, Ted Duncan, Alan Marcus