A Texas Ranger investigates a series of unexplained deaths in a town called Helena.
Unfortunately the movie The Duel is not yet available on HBO Max.
| Directing | Kieran Darcy-Smith | Director |
| Writing | Matt Cook | Writer |
| Production | Aaron L. Gilbert | Executive Producer |
| Production | David Hoberman | Producer |
| Production | Adam Rosenfelt | Producer |
| Costume & Make-Up | Terry Anderson | Costume Design |
| Production | Todd Lieberman | Producer |
| Production | Natalie Marciano | Executive Producer |
| Production | Matt Cook | Executive Producer |
| Camera | Jules O'Loughlin | Director of Photography |
| Production | Maureen Meulen | Producer |
| Sound | Craig Eastman | Music |
| Editing | Tracy Adams | Editor |
| Editing | Blake Hjares | Editor |
| Production | Kellie Roy | Casting |
| Production | Anne McCarthy | Casting |
| Art | Toby Corbett | Production Design |
| Art | Katie Calhoon | Location Scout |
| Production | Kristoffel Meulen | Associate Producer |
| Production | Brian Pitt | Executive Producer |
| Production | Brian Hilburn | Location Manager |
| Production | Morgan Robbins | Casting Associate |
| Production | Bob Shapiro | Unit Production Manager |
| Crew | Christopher Kulikowski | Post Production Supervisor |
| Production | Jason Cloth | Executive Producer |
| Art | Douglas Cumming | Art Direction |
| Production | Edith Dupré LeBlanc | Production Supervisor |
| Directing | Melinda Taksen | Script Supervisor |
| Production | Sarah Dignan | Production Coordinator |
| Editing | Douglas Slocum | Editor |
| Art | Jessica Alejandra Ochoa | Set Designer |
| Production | Patrick Murray | Co-Executive Producer |
| Editing | Matt Sweat | First Assistant Editor |
| Camera | Jeremy Webre | Dolly Grip |
| Camera | Duane Cooper | Key Grip |
| Sound | Sean Gray | Sound Effects Editor |
| Sound | Steve Urban | Sound Effects Editor |
| Camera | Jules O'Loughlin | Camera Operator |
| Camera | Bela Trutz | Camera Operator |
| Costume & Make-Up | Haley Hinkle | Hairstylist |
| Costume & Make-Up | Lisa Layman | Key Makeup Artist |
| Costume & Make-Up | Sandy Jo Johnston | Makeup Artist |
| Camera | Brian Hilburn | Still Photographer |
| Costume & Make-Up | Tommie Strawther | Hairstylist |
| Costume & Make-Up | Mia Goff | Makeup Artist |
| Lighting | Glenn E. Moran | Rigging Gaffer |
| Sound | Gonzalo Espinoza | Foley |
| Art | Kenneth Armstrong | Title Designer |
| Sound | Kenneth Skoglund | Sound Effects Editor |
| Costume & Make-Up | Voni Hinkle | Hair Department Head |
| Art | Annie Holstein | Art Department Coordinator |
| Lighting | Michael Kelly | Gaffer |
| Sound | Micah Loken | Dialogue Editor |
| Costume & Make-Up | Zoë Luella Corbett | Set Costumer |
| Editing | Jason Pelham | Digital Intermediate |
| Visual Effects | Rick Redick | Visual Effects Supervisor |
| Costume & Make-Up | Melanie Hocking | Key Costumer |
| Art | Andrew Wert | Property Master |
| Editing | Mark Griffith | Digital Intermediate |
| Crew | Cody Smith | Animal Coordinator |
| Visual Effects | Beth Redick | Visual Effects Producer |
| Sound | Michael Kreple | ADR Editor |
| Art | Curtis Laseter | Construction Coordinator |
| Crew | Jonathan Thornton | Makeup Effects |
| Lighting | Chandler Ferriss | Lighting Technician |
| Sound | David Barber | Supervising Sound Editor |
| Editing | Tony Randel | Additional Editor |
| Crew | Kelly Bellini | Stunt Double |
