The story of a drifter named Paul who arrives in a small town seeking revenge on the thugs who murdered his friend. Sisters Mary Anne and Ellen, who run the town's hotel, help Paul in his quest for vengeance.
Unfortunately the movie In a Valley of Violence is not yet available on HBO Max.
| Writing | Ti West | Writer |
| Directing | Ti West | Director |
| Editing | Ti West | Editor |
| Crew | Ed Duran | Stunt Double |
| Sound | Jeff Grace | Original Music Composer |
| Production | Alix Taylor | Executive Producer |
| Production | Jeanette Volturno | Executive Producer |
| Production | John N. Ward | Line Producer |
| Production | David L. Schiff | Executive Producer |
| Production | Linda Favila | Co-Executive Producer |
| Production | Ti West | Executive Producer |
| Production | Anson Downes | Co-Executive Producer |
| Sound | Harrison Meyle | Dialogue Editor |
| Art | Duprelon Tizdale | Set Dresser |
| Art | Linda B. Gore | Set Dresser |
| Art | David Trujillo | Leadman |
| Production | Jacob Jaffke | Unit Production Manager |
| Crew | Al Goto | Stunts |
| Camera | Steve Banister | First Assistant "B" Camera |
| Directing | Tomas Deckaj | First Assistant Director |
| Production | Sarah Doneier | Casting Associate |
| Camera | Erick Castillo | Second Assistant Camera |
| Art | Scott Christopher Clark | Set Dresser |
| Crew | Ed Duran | Stunt Coordinator |
| Sound | Joe 'Primo' Heise | Utility Sound |
| Crew | Gabriel Nunez | Stunts |
| Art | Dale Lotreck | Set Dresser |
| Camera | Brett Latter | Second Assistant "B" Camera |
| Crew | Tyler Forsberg | Stunts |
| Art | Steve Trujillo | Set Dresser |
| Crew | Wes Trudell | Stunts |
| Art | Orlando B. Montoya | Set Dresser |
| Camera | Phoebe Krueger | Camera Loader |
| Costume & Make-Up | Renate Leuschner | Wigmaker |
| Costume & Make-Up | Ivy Ermert | Makeup Artist |
| Editing | Graham Reznick | Additional Editor |
| Crew | Matthew Lee Christmas | Stunts |
| Crew | David Midthunder | Stunts |
| Sound | Darryl L. Frank | Sound Mixer |
| Production | Aurelia Corcoran | Production Secretary |
| Costume & Make-Up | Lisa Hill | Makeup Artist |
| Costume & Make-Up | Danielle Noe | Special Effects Makeup Artist |
| Costume & Make-Up | Robyn MacKenzie | Costume Assistant |
| Crew | Jessica Drake | Dialect Coach |
| Sound | Jeff Seelye | ADR Recordist |
| Art | Jorge Reyes | Construction Coordinator |
| Directing | Jon Baran | Second Second Assistant Director |
| Sound | Caleb Hollenback | ADR Recordist |
| Crew | Graham Reznick | Additional Music |
| Costume & Make-Up | Copper Perry | Hair Department Head |
| Production | Kerry Newberry | Production Accountant |
| Crew | Khalic Nance | Craft Service |
| Sound | Graham Reznick | Sound Re-Recording Mixer |
| Production | Derek M. Chavez | Assistant Production Coordinator |
| Sound | Eric W. Lindermann | Sound Effects Editor |
| Sound | Abigail Savage | Assistant Sound Editor |
| Production | Bob Baxter | Extras Casting |
| Crew | Peter Phok | Post Production Supervisor |
| Editing | William J. Holden | Assistant Editor |
| Sound | Graham Reznick | Sound Supervisor |
| Sound | Tom Efinger | Sound Supervisor |
| Sound | Jeff Grace | Conductor |
| Production | Christina Stoltenberg | Key Production Assistant |
| Sound | Dan Douglass | ADR Recordist |
| Sound | Paul Bruski | ADR Recordist |
| Camera | Hank Herrera | Key Grip |
| Sound | Terry Boyd Jr. | Foley Recordist |
| Sound | Derek Casari | ADR Recordist |
| Editing | Michael Eaves | Digital Intermediate Colorist |
| Sound | Matt Salib | Foley Artist |
| Production | Peter Phok | Producer |
| Sound | Graham Reznick | Sound Designer |
| Production | Jason Blum | Producer |
| Production | Terri Taylor | Casting |
| Art | Jade Healy | Production Design |
| Art | Vicki M. McWilliams | Art Department Coordinator |
| Directing | Mara Herdmann | Script Supervisor |
| Costume & Make-Up | Maria Bentfield | Key Costumer |
| Art | Adam Willis | Set Decoration |
| Costume & Make-Up | Lora McKenny | Set Costumer |
| Art | Neal Jonas | Title Designer |
| Production | Sarah Domeier Lindo | Casting Associate |
| Costume & Make-Up | Edgar Duncan | Ager/Dyer |
| Camera | Eric Robbins | Director of Photography |
| Costume & Make-Up | Jennifer Louise Tillery | Costume Supervisor |
| Art | Derek Bensonhaver | Assistant Property Master |
| Crew | Scott Rasmussen | Armorer |
| Art | Ben Lowney | Property Master |
| Production | Ally Conover | Casting Assistant |
| Production | Jacob Jaffke | Producer |
| Art | R. A. Arancio-Parrain | Art Direction |
| Costume & Make-Up | Malgosia Turzanska | Costume Design |
| Costume & Make-Up | Kathy Oberlin | Tailor |
| Camera | Brian Freesh | Steadicam Operator |
| Camera | Ursula Coyote | Still Photographer |
| Lighting | David R. Kohn | Gaffer |
| Costume & Make-Up | Hugo Villasenor | Key Makeup Artist |
| Camera | Scott Clark | Dolly Grip |
| Sound | Harrison Meyle | ADR Supervisor |
| Camera | Ari Robbins | Steadicam Operator |
| Camera | Lewis Jacobs | Still Photographer |
| Sound | Caleb Hollenback | Sound Recordist |
| Sound | Paul Bruski | ADR & Dubbing |
| Sound | Ben Whitver | ADR & Dubbing |
| Sound | Matt Salib | Foley |
| Sound | Leonard Sanchez | Boom Operator |
| Sound | John Moros | Foley Editor |
| Sound | Tom Efinger | Sound Re-Recording Mixer |
| Camera | Michael Drucker | First Assistant Camera |
| Visual Effects | Neal Jonas | Visual Effects |
| Crew | Daniel Holt | Special Effects Coordinator |
| Costume & Make-Up | Vanessa Sharp | Key Hair Stylist |
| Costume & Make-Up | Ivy Ermert | Key Makeup Artist |
| Costume & Make-Up | Danielle Noe | Makeup Department Head |
| Crew | Freddie Hice | Stunt Coordinator |
| Crew | Anthony Reynolds | Stand In |
