While on a summer trip with her friends, Megan begins to feel the presence of Sophie, her twin sister who recently committed suicide.
Unfortunately the movie Solstice is not yet available on HBO Max.
| Writing | Martin Musatov | Screenplay |
| Writing | Carsten Myllerup | Original Film Writer |
| Writing | Ethan Erwin | Screenplay |
| Writing | Rasmus Heisterberg | Original Film Writer |
| Writing | Daniel Myrick | Screenplay |
| Directing | Daniel Myrick | Director |
| Sound | Rene Defrancesch | Boom Operator |
| Camera | John T. Martin | Key Grip |
| Costume & Make-Up | Yolanda Mercadel | Hair Department Head |
| Art | Marthe Pineau | Set Decoration |
| Camera | Darby Newman | Second Assistant Camera |
| Directing | Kris Smith | Script Supervisor |
| Crew | Jeff Galpin | Stunt Coordinator |
| Costume & Make-Up | Betty Hamnac | Key Hair Stylist |
| Camera | Marcos O. Lopez | First Assistant Camera |
| Directing | Rhys Summerhayes | Second Assistant Director |
| Costume & Make-Up | Karen Toole-Rentrop | Makeup Department Head |
| Costume & Make-Up | Joe Walsh Jr. | On Set Dresser |
| Costume & Make-Up | Teresa Vest | Key Makeup Artist |
| Crew | Karin Justman | Stunts |
| Production | James D. Stern | Producer |
| Crew | Chris J. Fanguy | Utility Stunts |
| Sound | Todd Beckett | Sound Effects Editor |
| Production | Mary Vernieu | Casting |
| Crew | Trace Cheramie | Stunts |
| Crew | Russell Towery | Utility Stunts |
| Production | Mason Novick | Co-Executive Producer |
| Sound | Paula Fairfield | Supervising Sound Editor |
| Production | Douglas Hansen | Executive Producer |
| Lighting | Keith Morgan | Gaffer |
| Directing | Louis Paul Tocchet | First Assistant Director |
| Production | Adam Del Deo | Producer |
| Crew | Holly O'Quin | Stunt Double |
| Costume & Make-Up | Teresa Vest | Special Effects Makeup Artist |
| Art | Bruton Jones | Production Design |
| Production | Monika Mikkelsen | Casting |
| Crew | David J. Barker | Special Effects |
| Sound | Carla Murray | Sound Effects Editor |
| Visual Effects | Cedric Nicolas-Troyan | Visual Effects Supervisor |
| Camera | M. David Mullen | Director of Photography |
| Sound | Jane Antonia Cornish | Original Music Composer |