| Cast overview, first billed only: | |||
| Danielle Macdonald | ... | Willowdean | |
| Jennifer Aniston | ... | Rosie | |
| Odeya Rush | ... | Ellen | |
| Maddie Baillio | ... | Millie | |
| Bex Taylor-Klaus | ... | Hannah | |
| Luke Benward | ... | Bo | |
| Georgie Flores | ... | Callie | |
| Dove Cameron | ... | Bekah | |
| Harold Perrineau | ... | Lee | |
| Kathy Najimy | ... | Millie's Mom | |
| Joshua Allan Eads | ... | Candee Disch (as Ginger Minj) | |
| Hilliary Begley | ... | Lucy | |
| Sam Pancake | ... | Dale | |
| Dan Finnerty | ... | Eugene Reed | |
| Molly McNearney | ... | Delia Shepherd | |
Willowdean ('Dumplin'), the plus-size teenage daughter of a former beauty queen, signs up for her mom's Miss Teen Bluebonnet pageant as a protest that escalates when other contestants follow her footsteps, revolutionizing the pageant and their small Texas town.
Generic and every "deep" moment seems so superficial and unearned.