As two teen siblings prepare to leave their childhood home, a forgotten letter brings back someone unexpected — the grown-up, jaded version of their favorite childhood TV character.
Bradley Steven Perry
as Matty
Peyton Kennedy
as Jamie Flynn
Graham Verchere
as Kendall Flynn
Kayla Deorksen
as Mrs. Flynn
Ariana Nica
as Samantha Mickelson
Jordana Summer
as Alexa Schell
Dylan Araki
as Jared Kauffman (voice)
Ava Louise Murchison
as Young Jamie (voice)
Chance Orion Wood
as Young Kendall (voice)
Jamie Nelson
as Fiancée
