 | Georgina Campbell als Tess |
 | Bill Skarsgård als Keith |
 | Justin Long als AJ |
 | Matthew Patrick Davis als The Mother |
 | Richard Brake als Frank |
 | Kurt Braunohler als Doug |
 | Jaymes Butler als Andre |
 | Sophie Sörensen als Bonnie |
 | Rachel Fowler als Meg |
 | J.R. Esposito als Jeff |
 | Kate Nichols als Catherine |
 | Kate Bosworth als Melisa |
 | Brooke Dillman als AJ's Mom |
 | Sara Paxton als Nursing Video Narration / Assistant / Megan |
 | Will Greenberg als Robert |
 | Derek Morse als Officer #1 |
 | Trevor Van Uden als Officer #2 |
 | Zach Cregger als Everett |
| Devina Vassileva als Property Manager Assistant |
| Kalina Stancheva als Young Woman |
| Julian Stanishkov als Gas Station Clerk |
| Zach Cregger | Director |
| Zach Cregger | Writer |
| Danny H. Chan | Executive Producer |
| Alex Lebovici | Executive Producer |
| Roy Lee | Producer |
| J.D. Lifshitz | Producer |
| Raphael Margules | Producer |
| Hristo Genkov | Steadicam Operator |
| Elitsa Dimitrova | Line Producer |
| Ivan Doykov | Line Producer |
| Nancy Nayor | Casting |
| Jillian Ennis | Music Supervisor |
| Ivelin Metodiev | First Assistant "A" Camera |
| Luciano Ivanov | Second Assistant "A" Camera |
| Angel Balakchiyski | First Assistant "B" Camera |
| Alina Krumova | Third Assistant Director |
| Zach Kuperstein | Director of Photography |
| Chris Abernathy | Line Producer |
| Anna Drubich | Original Music Composer |
| Joe Murphy | Editor |
| Yariv Milchan | Executive Producer |
| Michael Schaefer | Executive Producer |
| Natalie Lehmann | Executive Producer |
| Bill Skarsgård | Executive Producer |
| Arnon Milchan | Producer |
| Natasha Esposito | Second Assistant Director |
| Todor Chapkanov | First Assistant Director |
| Dave Krieger | Production Supervisor |
| Filip Popov | On Set Computer Graphics |
| Kiril Naumov | Costume Design |
| Gergana Batanova | Makeup Artist |
| Peter Krumov | Set Dresser |
| Matt Davies | Sound Designer |
| Ryan Juggler | Sound Effects Editor |
| Richard Kitting | Sound Re-Recording Mixer |
| Austin Krier | Sound Effects Editor |
| Ashim Ahuja | Visual Effects Producer |
| Justin Giritlian | Visual Effects Producer |
| Filip Popov | Visual Effects Supervisor |
| Cara Seo | Set Costumer |
| Rossitsa Bakeva | Production Design |
| Teodor Tsolov | Stunt Coordinator |
| Paul Anthony Scott | Stunt Coordinator |
| Valentin Stanimirov | Grip |
| Natalia Kamenova | Hairstylist |
| Marina Boshnakova | Makeup Artist |
| Hunter Berk | ADR Mixer |
| Cazz Cerkez | Dialogue Editor |
| Svetlosar Georgiev | Sound Mixer |
| Kevin Hill | Dialogue Editor |
| Vanessa Kanaan | Dialogue Editor |
| Melissa Kennelly | ADR Mixer |
| Shawn Kennelly | Foley Mixer |
| Robert Langley | Sound Mixer |
| Valery Metodiev | Boom Operator |
| Vince Nicastro | ADR Mixer |
| Steven Ticknor | Sound Re-Recording Mixer |
| Steven Ticknor | Supervising Sound Editor |
| Garrett Fallin | Visual Effects Producer |
| Michelle Kouki | Visual Effects Producer |
| Nathan Sam Weiner | Visual Effects Supervisor |
| One Danny Yoon | Visual Effects Supervisor |
