When the Walker family members switch bodies with each other during a rare planetary alignment, their hilarious journey to find their way back to normal will bring them closer together than they ever thought possible.
| Actor | Role |
|---|---|
 Jennifer GarnerJess Walker | Jess Walker |
 Ed HelmsBill Walker | Bill Walker |
 Emma MyersCC Walker | CC Walker |
 Brady NoonWyatt Walker | Wyatt Walker |
 Rita MorenoAngelica | Angelica |
 Matthias SchweighöferRolf | Rolf |
 Vanessa CarrascoAriana | Ariana |
 Cyrus ArnoldHunter Drew | Hunter Drew |
| IIlia Isorelýs PaulinoKara | Kara |
 Xosha RoquemoreCarrie | Carrie |
 Bashir SalahuddinMolson | Molson |
 Paul ScheerSteven | Steven |
 Helen HongSimone | Simone |
 Ned BellamyHanes | Hanes |
 Andrew BachelorGlen | Glen |
 Dan FinnertyGus | Gus |
 Howie MandelBarry | Barry |
 Rivers CuomoLake | Lake |
 Brian BellDave | Dave |
 Scott ShrinerScott | Scott |
| PPatrick WilsonPatrick | Patrick |
 Naomi EkperiginNaomi | Naomi |
 Pete HolmesPeter | Peter |
 Fortune FeimsterCoach Kim | Coach Kim |
 Adam LustickSpock | Spock |
 Ravi KapoorMr. Hollis | Mr. Hollis |
 Carl McDowellRepairman Zach | Repairman Zach |
| AAnwar JibawiThunder | Thunder |
 Hannah StockingLightning | Lightning |
 Bob StephensonMild-Mannered Dad | Mild-Mannered Dad |