Cast
| Rachel McAdams | Barbara Simon |
| Abby Ryder Fortson | Margaret Simon |
| Elle Graham | Nancy Wheeler |
| Ben Safdie | Herb Simon |
| Kathy Bates | Sylvia Simon |
| Amari Alexis Price | Janie Loomis |
| Katherine Mallen Kupferer | Gretchen Potter |
| Isol Young | Laura Danker |
| Zackary Brooks | Philip Leroy |
| Simms May | Norman Fisher |
Crew
| Kelly Fremon Craig | Director, Producer, Screenwriter |
| Julie Ansell | Producer |
| James L. Brooks | Producer |
| Richard Sakai | Producer |
| Judy Blume | Producer |
| Amy Brooks | Producer |
| Aldric La'Auli Porter | Producer |
| Jonathan McCoy | Executive Producer |
| Tim Ives | Cinematographer |
| Oona Flaherty | Film Editing |
| Nick Moore | Film Editing |
| Melissa Kostenbauder | Casting |
| Steve Saklad | Production Design |
| Angela Stauffer | Art Director |
| Selina van den Brink | Set Decoration |