Nicky, Ricky, Dicky & Dawn

"Aidan Gallagher as Nicky Harper (youngest of the quads)"

"Casey Simpson as Ricky Harper (second oldest of the quads)"

"Mace Coronel as Dicky Harper (second youngest of the quads)"

"Lizzy Greene as Dawn Harper (oldest of the quads)"

"Gabrielle Elyse as Josie Cooper"

"Kyra-Drew Simmons as Mae Valentine"

"Allison Munn as Anne Harper (mother of the quads)"

"Brian Stepanek as Tom Harper (father of the quads)"

"Anne (wife)"

"Nicky, Ricky, Dicky & Dawn (quadruplet sons & daughter)"