A woman, thrown into the stay-at-home routine of raising a toddler in the suburbs, slowly embraces the feral power deeply rooted in motherhood, as she becomes increasingly aware of the bizarre and undeniable signs that she may be turning into a dog.
| Actor | Role |
|---|---|
 Amy AdamsMother | Mother |
 Scoot McNairyHusband | Husband |
| AArleigh SnowdenSon | Son |
| EEmmett SnowdenSon | Son |
 Jessica HarperNorma | Norma |
 Zoë ChaoJen | Jen |
 Mary HollandMiriam | Miriam |
 Archana RajanLiz | Liz |
| NNate HellerBook Babies Leader | Book Babies Leader |
 Darius De La CruzLemuel | Lemuel |
 Ella A. ThomasNaya | Naya |
 Stacey SwiftFreida | Freida |
 Garrett C. PhillipsServer | Server |
 Adrienne Rose WhiteSally | Sally |
| MMichaela BahamYoung Mother | Young Mother |
 Kerry O'MalleyMother's Mother | Mother's Mother |
 Roslyn GentleNana | Nana |
 Michael Andrew BakerMan in Market | Man in Market |
 Judith MorelandMidwife | Midwife |
| CCaden GreenLibrary Kid #1 | Library Kid #1 |
| ZZarah BeverlyLibrary Kid #2 | Library Kid #2 |
 Marielle HellerMom at Grocery Store (uncredited) | Mom at Grocery Store (uncredited) |