Cast & crew
The Octagon (1980)
Directed by Eric Karson Written by Leigh Chapman, Paul Aaron
Cast
| Chuck Norris | Scott James |
| Karen Carlson | Justine |
| Lee Van Cleef | McCarn |
| Carol Bagdasarian | Aura |
| Kim Lankford | Nancy |
| Tadashi Yamashita | Seikura |
| Kurt Grayson | Doggo |
| Larry D. Mann | Tibor |
| Art Hindle | A. J. |
| Yuki Shimoda | Katsumo - Seikura's Aide |
| John Fujioka | Isawa the Teacher |
| Jack Carter | Sharkey |
| Redmond Gleeson | Duffy |
| Alan Chappuis | Pierre |
| Ken Gibbel | Meat |
| Cheyenne Rivera | Greek |
| Ted Duncan | Truckdriver |
| Alan Marcus | Truckdriver |
| Gerald Okamura | Ninja Instructor |
| Richard Norton | Kyo - Seikura's Enforcer / Longlegs |
| Brian Libby | Deadwyler |
| Crane Jackson | House Detective |
| Jo McDonnell | Amy Lee |
| Robert B. Loring | Johann |
| Fenton Jones | Square Dance Caller |
| Clarke Gordon | Drunk |
| Ben Freedman | Newsvendor |
| Ernie Hudson | Quinine |
| Shannon Scott David | Waitress |
| Elizabeth Carder | Desk Clerk |
| Kitty Beau | Hostess |
| Aaron Norris | Hatband |
| John Barrett | Justine's Killer |
| Bill Beau | Aide |
| Eric F. Valdez | Scott's Taxi Driver |
| Gasper A. Henaine | A.J.'s Taxi Driver |
| Enrique Lucero | One Armed Man |
| Carlos Romano | Pilot |
| Mario Valdez | Hotel Clerk |
| Mike Norris | Scott at Eighteen |
| Brian Tochi | Seikura at Eighteen |
| Kevin Brando | Scott at Eight |
| Darrin Lee | Seikura at Eight |
| John Shields | 1st Lieutenant |
| Thad Geer | 2nd Lieutenant |
| Haven Earle Haley | Diplomat |
| Ben Perry | Male Assassin |
| Janette Jiliano | Female Assassin |
| Don Pike | Chauffer |
| Janell Twomey | Nanny |
| J. Ross Imler | French Policeman |
| Tracey Walter | Mr. Beedy (uncredited) |
Crew
| Leigh Chapman | Story |
| Eric Karson | Director |
| Paul Aaron | Story |
| Dick Halligan | Original Music Composer |
| Alan Belkin | Executive Producer |
| Michael Leone | Executive Producer |
| Joel Freeman | Producer |
| Michel Hugo | Director of Photography |
| Gabriel Torres | Director of Photography |
| James L. Schoppe | Production Design |
| Dann Cahn | Editor |
| Leigh Chapman | Writer |
| Richard Norton | Stunts |
| Jean Higgins | Executive In Charge Of Production |
| Jim Henderling | Production Manager |
| Barbara Burgdorf | Costume Design |
| Ken Lesco | Stunts |
| Skip Surguine | First Assistant Director |
| Louis S. Muscate | Second Assistant Director |
| Alvin Greenman | Script Supervisor |
| Caro Jones | Casting |
| Aaron Norris | Stunt Coordinator |
| James Hassinger | Set Decoration |
| Ben Perry | Stunts |
| John Barrett | Stunts |
| Jay De Plano | Stunts |