When mercenary "Hardball" Cutter discovers that the team he is working with is actually a group of IRA gunrunners, he decides to put a stop to their plans. Furious with Cutter, the gunrunners target him, his partner, and his family.
Unfortunately the movie The Ultimate Weapon is not yet available on HBO Max.
| Directing | Jon Cassar | Director |
| Writing | Robert Paul Marius | Writer |
| Camera | Bert Tougas | Director of Photography |
| Directing | John Strong | Co-Director |
| Production | Martine Allard | Line Producer |
| Production | Philippe Martinez | Executive Producer |
| Production | Danny Rossner | Producer |
| Production | Murray Shostak | Producer |
| Sound | Marty Simon | Music |
| Art | Susan C. MacQuarrie | Set Decoration |
| Directing | Pierre Henry | First Assistant Director |
| Directing | Curtis Petersen | Second Unit Director |
| Crew | Marc Désourdy | Stunt Coordinator |
