Sam Dietz, the relentless police detective, returns to Los Angeles from a self-imposed exile to help the police solve another series of brutal killings committed by another crafty serial killer whom targets Dietz's latest love interest.
Unfortunately the movie Relentless 3 is not yet available on HBO Max.
| Directing | James Lemmo | Director |
| Writing | Phil Alden Robinson | Characters |
| Writing | James Lemmo | Writer |
| Production | Lisa M. Hansen | Producer |
| Production | Paul Hertzberg | Producer |
| Sound | Scott Grusin | Original Music Composer |
| Camera | Jacques Haitkin | Director of Photography |
| Editing | Nina Gilberti | Editor |
