 | Saoirse Ronan als Leia Dargon |
 | Cynthia Nixon als Marcy Dargon |
 | Jason Isaacs als Ben McKay |
 | David Warshofsky als Glen Dargon |
 | Rosalind Chao als Dr. Andrews |
 | Tom Wright als Detective Timms |
 | Rob Yang als Mr. Henry |
 | Avery Phillips als Leia Dargon (Age 7) |
 | Hana Hayes als Leia Dargon (Age 12) |
 | Jennifer Perito als 911 Operator (voice) |
| Joe Klotz | Editor |
| Leslie Urdang | Producer |
| Dan Halsted | Producer |
| Arnaud Potier | Director of Photography |
| Nora Kroll-Rosenbaum | Original Music Composer |
| Brian McOmber | Original Music Composer |
| Nikole Beckwith | Director |
| Emily Batson | Costume Design |
| Greg Ammon | Producer |
| Kathrin Eder | Production Design |
| Nikole Beckwith | Writer |
| Anthony Brandonisio | Co-Producer |
| Amanda Beckner | Co-Producer |
| Geoff Linville | Co-Producer |
| Lisa Son | Set Decoration |
| Lauren Kress | Hairstylist |
| Dania Ridgway | Makeup Department Head |
| Sapphire | Hairstylist |
| Jose Zamora | Hair Department Head |
| Lorena Zamora | Hairstylist |
| Richard Hicks | Casting |
| Amanda Beggs | Sound Mixer |
| Alberto Leon | Sound Mixer |
| Eric Milano | Foley Artist |
| Tom Paul | Sound Re-Recording Mixer |
