Plot
Peter is thrilled that his Grandpa is coming to live with his family. That is, until Grandpa moves into Peter's room, forcing him upstairs into the creepy attic. And though he loves his Grandpa, he wants his room back - so he has no choice but to declare war.
Trailer
Cast
Robert De Niro
Ed
Uma Thurman
Sally
Rob Riggle
Arthur
Oakes Fegley
Peter
Laura Marano
Mia
Cheech Marin
Danny
Jane Seymour
Diane
Christopher Walken
Jerry
Juliocesar Chavez
Billy
Isaac Kragten
Steve
T.J. McGibbon
Emma
Poppy Gagnon
Jennifer
Lydia Styslinger
Lisa
Heather Johansen
Young Mom
Joe Gelchion
Chuck
Colin Ford
Russell
Faizon Love
Store Manager
Rutanya Alda
Lynn Marino
Drew Scheid
Eighth Grade Monster
Gage Lawson
Teen at School
Joshua Childs
EMT #2
Veronica Alicino
Nurse Alice
James Martin Kelly
Carl
Leon Lamar
Boat Rental Guy
Joe Foley
Boat Ranger
Loren Dennis
Kayak Guy
Jeremy Childs
EMT
Clayton English
Referee
Suehyla El-Attar Young
Teacher
Joanie Stewart
Carla
Ted Huckabee
Mechanic
Larry Rippenkroeger
Motorcycle Cop
