Abby Ryder Fortson (Margaret Simon), Rachel McAdams (Barbara Simon), Kathy Bates (Sylvia Simon), Benny Safdie (Herbert Simon), Wilbur Fitzgerald (Morris Binamin), Elle Graham (Nancy Wheeler), Ethan McDowell (Mr. Wheeler) more..., Mia Dillon (Mary Hutchins), JeCobi Swain (Freddy Barnett), Gary Houston (Paul Hutchins), Aidan Wojtak-Hissong (Moose Freed), Sloane Warren (Mrs. Fisher)

James L. Brooks (Producer), Nick Moore (Editor), Amy Brooks (Producer), Steve Saklad (Production Design), Richard Sakai (Producer), Julie Ansell (Producer), Kimberly Greene (Makeup Department Head) more..., Kelly Fremon Craig (Producer), Kelly Fremon Craig (Writer), Judy Blume (Producer), Judy Blume (Novel), Selina van den Brink (Set Decoration), Justine Angus (Dialogue Editor), Angela Stauffer (Art Direction), Tim Ives (Director of Photography), Ben Zales (Music Editor), Dieter Sturm (Special Effects Supervisor), Lisa Rocco (Makeup Artist), Renee Goodwin (Makeup Artist), Kellen Bloomer (Boom Operator), Heather Hawkins (Hairstylist), Chad Ball (Special Effects), Cecilia Veradi (Makeup Artist), Michael Lebensfeld (Visual Effects), Ashleigh Chavis (Key Makeup Artist), Demetri Evdoxiadis (Sound Editor), Elisa Acevedo (Additional Hairstylist), Schuyler White (Special Effects Supervisor), Megan Deputy (Makeup Artist), Alexander Johnson (Visual Effects), Oona Flaherty (Editor), Christina Phensy (Assistant Art Director), Sean Kachenmeister (Visual Effects Editor), Therese Ducey (Hair Department Head), Mike Cavell (Sound Mixer), Andrew Woolley (Visual Effects Supervisor), David Cook (Sound), Guliza Covalinski (Additional Hairstylist), Deidre Outlaw (Makeup Artist), Alanna Dempewolff-Barrett (Set Designer) and others.