After Carlos, an impoverished teen from a fractured home, receives a desperate note from Sarah, a pen pal he lost touch with a year ago, he uses her letters to solve the mystery of her disappearance and crimes she may have been a part of.
Unfortunately the movie Root Letter is not yet available on HBO Max.
| Directing | Sonja O'Hara | Director |
| Writing | David Ebeltoft | Writer |
| Production | Kat McPhee | Producer |
| Production | Annmarie Sairrino | Producer |
| Production | Jen Sall | Line Producer |
| Production | Moeko Suzuki | Producer |
| Sound | Jessica Weiss | Music |
| Editing | Stephanie Filo | Editor |
| Art | Jessica Keli Govea | Production Design |
| Art | Trisha Gaw | Set Decoration |
| Costume & Make-Up | Donald McFinley | Costume Design |
| Costume & Make-Up | Robin K. Byrd | Makeup Department Head |
| Costume & Make-Up | Crystal Woodford | Hair Department Head |
| Production | Barbara Babb | Production Supervisor |
| Directing | Jordan Edwards | First Assistant Director |
| Directing | Julia Fountain | Second Second Assistant Director |
| Directing | Kathryn J. Hatam | Second Assistant Director |
| Art | Alayna Cannon | Set Dresser |
| Crew | Andrew Lovell | Armorer |
| Art | Gracie Shirreff | Property Master |
| Sound | Scott Crain | Sound Mixer |
| Sound | Daisuke Sawa | Sound Editor |
| Sound | Jonathan Strickland | Dialogue Editor |
| Crew | Tim J. Smith | Stunt Coordinator |
| Camera | Jonathan Adams | Grip |
| Camera | Elias Casas | Key Grip |
| Camera | Christine W Chen | Digital Imaging Technician |
| Camera | Rex Lane Davey | Digital Imaging Technician |
| Costume & Make-Up | Crystal Fudge | Special Effects Makeup Artist |
| Camera | Shawn Dolan | Best Boy Grip |
| Lighting | John Gregory Edwards | Gaffer |
| Camera | Eric Gibson | Grip |
| Camera | Brian Horn | Dolly Grip |
| Camera | Brian Scott Matlock | Grip |
| Camera | Christina Ogea | Still Photographer |
| Camera | Evan Papadakis | Grip |
| Lighting | Ahmad Powell | Best Boy Electric |
| Camera | Jeremy Spring | First Assistant Camera |
| Production | Andrei Constantinescu | Extras Casting |
| Production | Garrett Kruithof | Additional Casting |
| Production | Nina Leon | Additional Casting |
| Costume & Make-Up | Parker Turner | Set Costumer |
| Editing | Frederik Bokkenheuser | Colorist |
| Production | Christine W Chen | Location Manager |
| Sound | Michael Patterson | Music Score Producer |
| Directing | Lisa M. Calhoun | Script Supervisor |
| Production | Roman L. Armstrong | Production Assistant |
| Crew | Terri Battee | Craft Service |
| Production | Traelyn Carter | Production Assistant |
| Production | Anna Donnell | Key Production Assistant |
| Production | LaCourtney Garrett | Production Assistant |
| Production | Tracy Keller | Production Accountant |
| Production | Jacob Norris | Production Assistant |
| Production | Greg Washington | Production Coordinator |
| Directing | Barry L. Caldwell | Script Supervisor |
| Camera | Dan Mcbride | Director of Photography |
