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.
| Editing | Greg Jardin | Editor |
| Costume & Make-Up | Mélé Egbe | Hair Department Head |
| Production | Robert Kapp | Executive Producer |
| Costume & Make-Up | Claire Amadea | Makeup Department Head |
| Sound | Andrew Hewitt | Original Music Composer |
| Costume & Make-Up | Gillian Zwick | Costume Design |
| Production | Sydney Shircliff | Casting |
| Art | Karl Lefevre | Art Direction |
| Art | Terry Watson | Production Design |
| Production | Mary Vernieu | Casting |
| Production | Colman Domingo | Executive Producer |
| Production | William Rosenfeld | Producer |
| Production | Jason Baum | Producer |
| Directing | Greg Jardin | Director |
| Production | Raúl Domingo | Producer |
| Production | Kate Andrews | Producer |
| Writing | Greg Jardin | Writer |
| Sound | Tyler Stephens | Sound Mixer |
| Costume & Make-Up | Henry Felton | Makeup Artist |
| Directing | Kevin Brown | First Assistant Director |
| Costume & Make-Up | Stephanie June Johnson | Makeup Artist |
| Sound | Austin Roth | Sound Re-Recording Mixer |
| Directing | Rachel Brock | Second Assistant Director |
| Directing | Ryan Spindell | Second Unit Director |
| Lighting | Justin C. Ward | Gaffer |
| Crew | Lex Damis | Stunt Coordinator |
| Sound | Biko Gogaladze | Foley Artist |
| Production | Michael Hodgin | Co-Executive Producer |
| Production | Darren Schlanger | Co-Executive Producer |
| Camera | Kevin Fletcher | Director of Photography |
