 | Riley Keough als Grace |
 | Jaeden Martell als Aidan |
 | Lia McHugh als Mia |
 | Richard Armitage als Richard |
 | Alicia Silverstone als Laura |
 | Katelyn Wells als Wendy |
 | Rebecca Faulkenberry als Weather Reporter (voice) |
 | Danny Keough als Grace's Father |
 | Lola Reid als Young Grace |
| Veronika Franz | Director |
| Severin Fiala | Director |
| Sergio Casci | Screenplay |
| Veronika Franz | Screenplay |
| Severin Fiala | Screenplay |
| Simon Oakes | Producer |
| Marc Schipper | Producer |
| Ben Browning | Executive Producer |
| Aaron Ryder | Producer |
| Michael Palm | Editor |
| Dixie Chassay | Casting |
| Sylvain Lemaitre | Production Design |
| Sophie Lefebvre | Costume Design |
| Alison Cohen | Executive Producer |
| Milan Popelka | Executive Producer |
| Brad Zimmerman | Executive Producer |
| Marc Schipper | Executive Producer |
| Xavier Marchand | Executive Producer |
| Thimios Bakatakis | Director of Photography |
| Paul Col | Sound Designer |
| Samuel Gagnon-Thibodeau | Sound Editor |
| Francis Gauthier | Sound Editor |
| Claude La Haye | Sound Recordist |
| Hans Laitres | Sound Re-Recording Mixer |
| Francis Péloquin | Boom Operator |
| Paul Barbeau | Co-Producer |
| Christophe Giraud | Makeup Artist |
| Joan Patricia Parris | Makeup Department Head |
| Danny Bensi | Original Music Composer |
| Saunder Jurriaans | Original Music Composer |
| Patrick Arias | First Assistant Director |
| Frank Ruszczynski | First Assistant Director |
| Yari Azzopardi | Second Assistant Director |
| Dominique Gaglione D'Amico | Second Assistant Director |
| Paul Aton | Third Assistant Director |
| Claire Baumann | Third Assistant Director |
| Elizabeth Tremblay | Script Supervisor |
| Sylvain Bellemare | Sound Supervisor |
| Michel R. Lambert | Set Dresser |
| Frédérique B. Ste-Marie | Set Decoration |
| Alain Lachance | Visual Effects Supervisor |
| Marie-Claude Lafontaine | Visual Effects Producer |
| Aliza James | Producer |
| Lucy Jordan | Casting Assistant |
| Bárbara Muschietti | Thanks |
