As Amelia dives back into her intense relationship with Mark and leaves Becca to her own devices at work, suspicious activities and online threats make Amelia question whether the people closest to her have her best interests at heart.
Unfortunately the movie Lethal Love Letter is not yet available on HBO Max.
| Directing | Jake Helgren | Director |
| Writing | Julian Broudy | Writer |
| Production | Garrett Lee | Line Producer |
| Production | Christopher Y. Kim | Production Coordinator |
| Directing | Zack Walker | First Assistant Director |
| Directing | Christopher Villalba | Second Assistant Director |
| Crew | Chris Gann | Stunt Coordinator |
| Art | Drew Wall | Property Master |
| Costume & Make-Up | Tia Lui | Wardrobe Supervisor |
| Costume & Make-Up | Tara Segar | Makeup Department Head |
| Costume & Make-Up | Auður Sif Jónsdóttir | Makeup & Hair |
| Camera | Ryan Ramsey | First Assistant Camera |
| Camera | Miko Hughes | Second Assistant Camera |
| Camera | Theodore "Dalton" Price | Steadicam Operator |
| Camera | Charlie Reetz | Steadicam Operator |
| Camera | Rachel Slott | Digital Imaging Technician |
| Camera | Scott Everett White | Still Photographer |
| Lighting | Tanner Nichols | Gaffer |
| Lighting | Eric Gilbert | Best Boy Electric |
| Camera | Rob Julin | Key Grip |
| Camera | Alex Baele | Best Boy Grip |
| Sound | Kevin J. Getchius | Boom Operator |
| Sound | Kevin J. Getchius | Sound Mixer |
| Production | Jake Helgren | Producer |
| Production | Autumn Federici | Producer |
| Sound | Chris Ridenhour | Music |
| Camera | Lars Lindstrom | Director of Photography |
| Editing | Sean Cain | Editor |
| Art | Emily Peters | Production Design |
| Costume & Make-Up | Daniella Cartun | Costume Design |
| Production | Sarah E. Gutierrez | Co-Executive Producer |
| Production | Marianne C. Wunch | Executive Producer |
| Production | Hannah Pillemer | Executive Producer |
| Production | Fernando Szew | Executive Producer |
