Best friends Katie and Jess are inseparable and have always had each other's backs. When Jess begins a new serious relationship, Katie is unsure of the new perfect man and famous crime writer, Nick. She wants to support her friend's newfound happiness but is fiercely protective. Katie's obsession with Jess soon proves deadly and it is up to the recently vilified Nick to expose the bestie before it is too late.
Unfortunately the movie Best Friend's Betrayal is not yet available on HBO Max.
| Sound | Cameron Catalano | Music |
| Production | Sebastian Battro | Executive Producer |
| Writing | Aidan Scott | Screenplay |
| Writing | Rebeca Hughes | Story |
| Directing | Danny J. Boyle | Director |
| Editing | Cameron Sadler | Assistant Editor |
| Directing | Jüs Percy | Second Assistant Director |
| Costume & Make-Up | Trish Petrovich | Costume Design |
| Sound | Rodolfo Piedras | Sound Mixer |
| Camera | David Astorga Bocos | Still Photographer |
| Camera | Michael Yueng | Camera Operator |
| Production | Chris Langford | Production Coordinator |
| Editing | Steve Bowyer | Editor |
| Sound | Matt Coffey | Dialogue Editor |
| Art | Jacqueline Curtis | Production Design |
| Camera | Dan Dumouchel | Director of Photography |
| Sound | Andy Liu | Boom Operator |
| Production | Tom Berry | Executive Producer |
| Production | Breanne Hartley | Executive Producer |
| Production | Richard Greenhalgh | Line Producer |
