After the Civil War, a former Union colonel searches for the two traitors whose perfidy led to the loss of a close friend.
Unfortunately the movie Rio Lobo is not yet available on HBO Max.
| Production | Howard Hawks | Producer |
| Camera | William H. Clothier | Director of Photography |
| Sound | Jerry Goldsmith | Original Music Composer |
| Editing | John Woodcock | Editor |
| Writing | Burton Wohl | Story |
| Directing | Howard Hawks | Director |
| Production | Hoyt Bowers | Casting |
| Art | Robert Emmet Smith | Production Design |
| Writing | Burton Wohl | Screenplay |
| Writing | Leigh Brackett | Screenplay |
| Costume & Make-Up | Monty Westmore | Makeup Designer |
| Crew | Terry Leonard | Stunt Double |
| Crew | Hal Needham | Stunts |
| Costume & Make-Up | Leah Rhodes | Costume Design |
| Directing | Yakima Canutt | Second Unit Director |
| Art | William Kiernan | Set Decoration |
| Art | Dan Perri | Title Designer |
| Sound | John R. Carter | Sound |
| Production | Paul Helmick | Associate Producer |
| Costume & Make-Up | Jean Austin | Hairstylist |
| Costume & Make-Up | Dave Grayson | Makeup Artist |
| Production | Robert M. Beche | Unit Production Manager |
| Directing | Mike Moder | Assistant Director |
| Directing | Robert Stein | Third Assistant Director |
| Art | Bill Dietz | Assistant Property Master |
| Art | Ray Mercer Jr. | Property Master |
| Art | Craig Binkley | Assistant Property Master |
| Art | Lloyd R. Apperson | Construction Foreman |
| Sound | Jack A. Finlay | Supervising Sound Editor |
| Crew | A.D. Flowers | Special Effects |
| Crew | Cliff Wenger | Special Effects |
| Production | Frank Kennedy | Extras Casting |
| Costume & Make-Up | Patricia Norris | Costumer |
| Costume & Make-Up | Theodore R. Parvin | Costumer |
| Costume & Make-Up | Luster Bayless | Wardrobe Master |
| Costume & Make-Up | Joan Joseff | Other |
| Production | Dennis L. Judd II | Location Coordinator |
| Crew | Joe Canutt | Stunts |
| Crew | Tap Canutt | Stunts |
| Crew | Chuck Courtney | Stunts |
| Crew | Steve DeFrance | Stunts |
| Crew | Tony Epper | Stunts |
| Crew | Jerry Gatlin | Stunts |
| Crew | Chuck Hayward | Stunts |
| Crew | Chuck Henson | Stunts |
| Crew | John Hudkins | Stunts |
| Crew | Ace Hudkins | Stunts |
| Crew | Terry Leonard | Stunts |
| Crew | Boyd 'Red' Morgan | Stunts |
| Crew | Kimo Owens | Stunts |
| Crew | Rudy Robbins | Stunts |
| Crew | Chuck Roberson | Stunts |
| Crew | Chuck Roberson | Stunt Double |
| Crew | Danny Sands | Stunts |
| Crew | Dean Smith | Stunts |
| Crew | Neil Summers | Stunts |
| Crew | Jack Williams | Stunts |
| Crew | Rodd Wolff | Stunts |
| Crew | Richard 'Dub' Wright | Stunts |
| Crew | Jack N. Young | Stunt Double |
| Camera | William Dodds | Camera Operator |
| Camera | Harry R. Jones | Key Grip |
| Lighting | James V. Vajana | Gaffer |
| Camera | Lloyd Ahern II | Assistant Camera |
| Camera | Richard Barth | First Assistant Camera |
| Camera | Frank Redmond | Assistant Camera |
| Camera | Bill Johnson | Camera Operator |
| Sound | Gene Feldman | Supervising Music Editor |
| Sound | Arthur Morton | Orchestrator |
| Sound | Robert Bain | Musician |
| Sound | Israel Baker | Musician |
| Sound | Harry Bluestone | Musician |
| Sound | Vince De Rosa | Musician |
| Sound | Bob DiVall | Musician |
| Sound | Bonnie Jean Douglas | Musician |
| Sound | Dominick Fera | Musician |
| Sound | Carl Fortina | Musician |
| Sound | Sam Freed Jr. | Musician |
| Sound | Jerry Goldsmith | Conductor |
| Sound | Alton Hendrickson | Musician |
| Sound | Norman Herzburg | Musician |
| Sound | William Hinshaw | Musician |
| Sound | Artie Kane | Musician |
| Sound | Dennis Karmazyn | Musician |
| Sound | Abe Luboff | Musician |
| Sound | Alfred Lustgarten | Musician |
| Sound | Edgar Lustgarten | Musician |
| Sound | Virginia Majewski | Musician |
| Sound | Peter Mercurio | Musician |
| Sound | Tommy Morgan | Musician |
| Sound | Richard Nash | Musician |
| Sound | Erno Neufeld | Musician |
| Sound | John Neufeld | Musician |
| Sound | Richard Perissi | Musician |
| Sound | Emil Richards | Musician |
| Sound | Frederick Seykora | Musician |
| Sound | Paul Shure | Musician |
| Sound | Henry Sigismonti | Musician |
| Sound | Sheridon Stokes | Musician |
| Sound | David Tamkin | Music Arranger |
| Sound | Tommy Tedesco | Musician |
| Sound | Milton Thomas | Musician |
| Sound | Louise Di Tullio | Musician |
| Sound | Lloyd Ulyate | Musician |
| Sound | Gerald Vinci | Musician |
| Sound | Al Viola | Musician |
| Sound | Ken Watson | Musician |
| Sound | Graham Young | Musician |
| Sound | Mary Louise Zeyen | Musician |
| Directing | Marshall J. Wolins | Script Supervisor |
| Art | Don Record | Title Designer |
| Crew | Chema Hernández | Animal Wrangler |
| Crew | Danny Sands | Dialogue Coach |
