Eleven-year-old Nicky, Ricky, Dicky and Dawn Harper's sibling rivalry is heightened all the more by the fact that they are quadruplets.
Brian Stepanek | Tom Harper | |
Allison Munn | Anne Harper | |
Aidan Gallagher | Nicky Harper | |
Casey Simpson | Ricky Harper | |
Lizzy Greene | Dawn Harper |
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