 | Isabelle Fuhrman als Leena Klammer / Esther Albright |
 | Julia Stiles als Tricia Albright |
 | Rossif Sutherland als Allen Albright |
 | Hiro Kanagawa als Detective Donnan |
 | Matthew Finlan als Gunnar Albright |
 | Samantha Walkes als Dr. Segar |
 | David Brown als Dr. Novotny |
 | Lauren Cochrane als Officer Leahy |
 | Gwendolyn Collins als Anna Troyev |
 | Kristen Sawatzky als Federica |
 | Jeff Strome als Lobby Guard |
 | Andrea del Campo als Betsy |
 | Alec Carlos als Mike |
 | Alicia Johnston als Karen |
 | Liam Stewart-Kanigan als Dude 1 |
 | Jade Michael als Girl 1 / Madison |
 | Sarah Luby als Receptionist / Claire |
| Maxwell Nelson als Little Boy |
 | Bradley Sawatzky als Officer Kusnetsov |
 | Stephanie Sy als Flight Attendant |
 | Marina Stephenson Kerr als Society 1 / Olive |
 | Sharon Bajer als Society 2 / Gertrude |
 | Kennedy Irwin als Esther Body Double |
| Sadie Lee als Esther Body Double |
 | Erik Athavale als Orderly |
 | Parker Bohotchuk als Laughing Partier #1 |
| Maxine Sanders als Laughing Partier #2 |
 | Adam Hurtig als Guard (uncredited) |
| Morgan Easton-Fitzgerald als Young Esther (uncredited) |
| Sara McCudden | Set Decoration |
| Hal Sadoff | Producer |
| William Brent Bell | Director |
| Gail Goldberg | Casting |
| Karim Hussain | Director of Photography |
| Doug Morrow | Makeup Designer |
| Ethan Erwin | Producer |
| Isabelle Fuhrman | Associate Producer |
| David Leslie Johnson-McGoldrick | Executive Producer |
| David Leslie Johnson-McGoldrick | Story |
| David Coggeshall | Screenplay |
| David Coggeshall | Co-Producer |
| Alex Mace | Producer |
| Alex Mace | Characters |
| Alex Mace | Story |
| Kim H. Ngo | Costume Design |
| Josh Ethier | Editor |
| Paula Dunfield | Costume Supervisor |
| John Loranger | Sound Designer |
| David McCallum | Supervising Sound Editor |
| Karen Tusa | Location Scout |
| Craig Mann | Supervising Sound Editor |
| Craig Mann | Sound Re-Recording Mixer |
| Brett Detar | Original Music Composer |
| Laura Wiest | Sound Re-Recording Mixer |
| Victor Moyers | Executive Producer |
| Lorna Johnson | Casting |
| Kristy Greig | Key Makeup Artist |
| Dan Sexton | Sound Effects Editor |
| Andrea Kristof | Art Direction |
| Russ Dyck | Sound Mixer |
| BJ Verot | Stunt Coordinator |
| Kristi McIntyre | Sound Effects Editor |
| Remi Verfaillie | Set Dresser |
| Lindsey Bart | Set Dresser |
| Steve Benson | Set Dresser |
| Bob Warwick | First Assistant Director |
| Chris Rogoski | VFX Artist |
| Michelle Fitzpatrick | Second Assistant Director |
| Josie Liang | Executive Producer |
| Kyle Irving | Executive Producer |
| Denise Maitan | VFX Artist |
| Kelly Gallagher | Co-Producer |
| Jen Gorton | Executive Producer |
| Heather Arabsky | Set Dresser |
| Matthew Davies | Production Design |
| James Tomlinson | Producer |
| Aryan Sehgal | VFX Artist |
| Chloe Katz | Executive Producer |
| Daryl Katz | Executive Producer |
| Jennie Shea | ADR Recordist |
| Paul Marcaccio | Executive Producer |
| Robert Bell | Co-Producer |
