Fifteen years ago, five men were abducted by aliens. Only four returned. Now, these same four men have managed to capture one of the creatures who killed their friend and ruined their lives.
Unfortunately the movie Altered is not yet available on HBO Max.
| Directing | Eduardo Sánchez | Director |
| Writing | Jamie Nash | Screenplay |
| Production | Robin Cowie | Producer |
| Production | Gregg Hale | Producer |
| Production | Linda Phillips-Palo | Casting |
| Costume & Make-Up | Emily Harris | Costume Design |
| Editing | Michael Cronin | Editor |
| Art | Andrew White | Production Design |
| Art | Christian Gueverra | Art Direction |
| Crew | Rich Swim | Property Master |
| Crew | Paul Mathews | Scenic Artist |
| Art | Bret Kane | Leadman |
| Sound | Robert Shoup | Supervising Sound Editor |
| Sound | David C. Hughes | Sound Designer |
| Sound | Tim Nielsen | Sound Designer |
| Sound | Mark Berger | Sound Re-Recording Mixer |
| Sound | Gene Radzik | Dolby Consultant |
| Crew | James L. Roberts | Special Effects Coordinator |
| Visual Effects | Chet Zar | Visual Effects Supervisor |
| Crew | Jennifer Badger | Stunt Coordinator |
| Camera | Stephen Campbell | Camera Operator |
| Camera | Gene Page | Still Photographer |
| Camera | Kevin Lang | Additional Photography |
| Lighting | Ama MacDonald | Gaffer |
| Directing | Brigan Gresh | Script Supervisor |
| Camera | Bob Scott | Additional Camera |
| Directing | Donald Dowd | Assistant Director |
| Camera | Steve Yedlin | Director of Photography |
| Crew | Dan Stewart | Carpenter |
| Art | Lucas Culshaw | Concept Artist |
| Art | Tim Larsen | Painter |
| Art | Eric Baker | Props |
| Art | Martha Mae Tucker | Props |
| Art | Dan Buckley | Set Dresser |
| Art | Dan Wilkerson | Set Dresser |
| Costume & Make-Up | Christine Wostak | Assistant Makeup Artist |
| Costume & Make-Up | Jane Hassinger | Hair Department Head |
| Costume & Make-Up | Deborah Brozovich | Hairstylist |
| Costume & Make-Up | Lee Grimes | Key Makeup Artist |
| Costume & Make-Up | Kim Pineda | Makeup Artist |
| Lighting | Shawn Torge | Best Boy Electrician |
| Camera | Shiloh Eck | Best Boy Grip |
| Camera | Danny Vanzura | Camera Loader |
| Camera | Robert Veliky | Camera Loader |
| Lighting | Dave Sonnenberg | Electrician |
| Camera | Wade Whitley | First Assistant Camera |
| Camera | Erik Curtis | First Assistant Camera |
| Camera | Chris Garofalo | Grip |
| Camera | Marvin Haven | Grip |
| Camera | Larry Gianneschi IV | Second Assistant Camera |
| Camera | John Oliveri | Second Assistant Camera |
| Production | Paul Palo | Casting Associate |
| Production | Ron Zappia | Casting Associate |
| Editing | Johnny Rice | Assistant Editor |
| Editing | George Koran | Colorist |
| Visual Effects | Michael Dvoravic | 3D Artist |
| Visual Effects | Jim Beinke | 3D Modeller |
| Visual Effects | Neil Winn | Digital Compositor |
| Visual Effects | Bill Sturgeon | Visual Effects Coordinator |
| Crew | Jack Firman | Special Effects Technician |
| Crew | Ken Gorrell | Special Effects Technician |
| Sound | K.C. Ladnier | ADR Recordist |
| Sound | Jacob Kemp | Boom Operator |
| Sound | Marshall Winn | Dialogue Editor |
| Sound | Kim Foscato | First Assistant Sound Editor |
| Sound | Ellen Heuer | Foley Artist |
| Sound | Marnie Moore | Foley Artist |
| Sound | Samuel H. Hinckley | Foley Editor |
| Sound | Kyrsten Mate | Sound Effects Editor |
| Sound | Jurgen Scharpf | Sound Mix Technician |
| Sound | Tony Sereno | Sound Mix Technician |
| Sound | Jethro Senger | Sound Mixer |
| Production | Joan Egan Foglia | Production Accountant |
| Production | Matt Compton | Unit Production Manager |
