A group of Liberty High School's alumni are preparing for their fifteen-year reunion when the death of one of their most beloved teachers starts a chain of events filled with secrets and revenge no one expects.
Unfortunately the movie Her Study of a Killer is not yet available on HBO Max.
| Directing | Marieke Niestadt | Director |
| Writing | Amy Irons | Writer |
| Production | Thea Nærdal | Associate Producer |
| Production | Dan Golden | Line Producer |
| Production | Hannah Pillemer | Executive Producer |
| Production | Mattie Fellbaum | Co-Executive Producer |
| Production | Hannah R. Blackwell | Producer |
| Production | Audrey Mesler | Co-Executive Producer |
| Production | Marianne C. Wunch | Executive Producer |
| Production | Ellen Utrecht | Executive Producer |
| Sound | Michaela Eremiasova | Music |
| Editing | Thijs Bazelmans | Editor |
| Art | Jordan Katz | Art Direction |
| Directing | Wes Hartmann | Second Assistant Director |
| Directing | Jeffery Robinson | First Assistant Director |
| Production | Fernando Szew | Executive Producer |
| Costume & Make-Up | Shirley Do | Makeup Artist |
| Production | Paul Ruddy | Casting |
| Art | Paul Dedoes | Production Design |
| Directing | Nathaniel David Shriver | Second Assistant Director |
| Costume & Make-Up | Bo Roses | Costume Design |
| Costume & Make-Up | Jacqueline Holden | Makeup Department Head |
| Crew | Alonso Homs | Cinematography |
| Sound | Jairo Duarte-Lopez | Music |
| Crew | Grant Gilkeson | Post Production Supervisor |
| Costume & Make-Up | Emily Mefford | Key Makeup Artist |
| Sound | Drew Franzblau | Sound Mixer |
| Lighting | Ryan Baker | Best Boy Electric |
| Production | Thea Nærdal | Production Manager |
| Sound | Creighton Yanchar | Sound Mixer |
| Visual Effects | Armando Sepulveda | Visual Effects Supervisor |
| Sound | Jacob Nerstheimer | Sound Mixer |
| Camera | Chris Kaiser | Camera Operator |
| Lighting | Justin Knodel | Best Boy Electric |
| Camera | Allysa Lisbon | Second Assistant Camera |
| Camera | Jahleesa Escobar | Second Assistant Camera |
