A pre-wedding reunion descends into a psychological nightmare for a group of college friends when a surprise guest arrives with a mysterious suitcase.
Unfortunately the movie It's What's Inside is not yet available on HBO Max.
| Production | Robert Kapp | Executive Producer |
| Production | Colman Domingo | Executive Producer |
| Sound | Andrew Hewitt | Original Music Composer |
| Editing | Greg Jardin | Editor |
| Production | Sydney Shircliff | Casting |
| Production | Mary Vernieu | Casting |
| Art | Terry Watson | Production Design |
| Art | Karl Lefevre | Art Direction |
| Costume & Make-Up | Gillian Zwick | Costume Design |
| Costume & Make-Up | Claire Amadea | Makeup Department Head |
| Costume & Make-Up | Mélé Egbe | Hair Department Head |
| Directing | Greg Jardin | Director |
| Production | Raúl Domingo | Producer |
| Production | Kate Andrews | Producer |
| Production | Jason Baum | Producer |
| Production | William Rosenfeld | Producer |
| Writing | Greg Jardin | Writer |
| Costume & Make-Up | Henry Felton | Makeup Artist |
| Costume & Make-Up | Stephanie June Johnson | Makeup Artist |
| Directing | Rachel Brock | Second Assistant Director |
| Directing | Kevin Brown | First Assistant Director |
| Directing | Ryan Spindell | Second Unit Director |
| Sound | Tyler Stephens | Sound Mixer |
| Sound | Austin Roth | Sound Re-Recording Mixer |
| Crew | Lex Damis | Stunt Coordinator |
| Lighting | Justin C. Ward | Gaffer |
| Sound | Biko Gogaladze | Foley Artist |
| Production | Michael Hodgin | Co-Executive Producer |
| Production | Darren Schlanger | Co-Executive Producer |
| Camera | Kevin Fletcher | Director of Photography |
| Sound | Dachi Abesalashvili | Foley Editor |
| Sound | Betty Alcaraz | Boom Operator |
| Sound | Trevor Cress | Sound Re-Recording Mixer |
| Sound | Trevor Cress | Sound Editor |
| Sound | Chris Goodes | ADR Mixer |
| Sound | Elliot Hartley | Sound Supervisor |
| Sound | Giorgi Lekishvili | Foley Mixer |
| Sound | Zviad Mgebry | Sound Designer |
| Sound | George Murgulia | Sound Effects Designer |
| Sound | Robin Reinfried | Boom Operator |
| Sound | Alexander Sanikidze | Foley Supervisor |
| Sound | Creed Spencer | Boom Operator |
| Art | Abigail Childs | Set Decoration |
| Production | Mark Droter | Casting Associate |
| Production | Eryn Goodman | Local Casting |
| Production | Lana Veenker | Local Casting |
| Production | Adam Rosko | Extras Casting |
| Production | Tatiana Melendez | Casting Assistant |
| Directing | Kavita Parekh | Script Supervisor |
| Editing | Ryan K. McNeal | Colorist |
| Lighting | Eric Bixler | Best Boy Electric |
| Camera | Brian Freesh | "A" Camera Operator |
| Camera | Ryan Fritz | Key Grip |
| Camera | Dan Goeppner | Grip |
| Camera | Danielle C. Carroll | Second Assistant Camera |
| Camera | Kyril Cvetkov | First Assistant Camera |
| Camera | Travis Francis | Additional Second Assistant Camera |
| Camera | Caitlin Brown | Additional First Assistant Camera |
| Camera | Efrem Peter | Drone Cinematographer |
| Camera | Margaret Knoebel | Second Assistant Camera |
| Camera | Rob Monroy | Additional First Assistant Camera |
| Visual Effects | Przemyslaw Drosik | Visual Effects Supervisor |
| Visual Effects | Gosia Herman | Visual Effects Producer |
| Costume & Make-Up | Sara Dickman | Key Makeup Artist |
| Costume & Make-Up | Penelope Irwin | Key Hair Stylist |
| Costume & Make-Up | Catelyn Chism | Hairstylist |
