The War with Grandpa

The War with Grandpa – Movie Review, Cast, and More


The War with Grandpa is an upcoming American family comedy film written by Matt Ember and Tom J. Asle, and directed by Tim Hill. The screenplay is based upon the novel of the same name by Robert Kimmel Smith. It stars Christopher Walken, Jane Seymour, Robert De Niro, Uma Thurman, Cheech Marin, Oakes Fegley, and Rob Riggle.

The War with Grandpa

The War with Grandpa is scheduled to be released on October 9, 2020, by 101 Studios.


Genres: Drama, Comedy, Family
Rated: PG for rude humor, language, and some thematic elements
Director: Tim Hill
Producers: Phillip Glasser, Marvin Peart, Rosa Morris Peart
Written by: Tom J. Astle and Matt Ember
Based on: The War with Grandpa by Robert Kimmel Smith
Starring: Christopher Walken, Jane Seymour, Robert De Niro, Uma Thurman, Cheech Marin, Oakes Fegley, and Rob Riggle.
Music by: Christopher Lennertz
Cinematography: Greg Gardiner
Editors: Craig Herring, Peter S. Elliot
Production Companys: Brookdale Studios, Emmett/Furla Oasis, West Madison Entertainment, Marro Films, Sigh Films, and Tri-G Films
Distributor: 101 Studios
Release date: October 9, 2020 (United States)
Duration: 94 mins
Country: United States
Filming Location: Atlanta, Georgia
Language: English

Casts in The War with Grandpa

  • Robert De Niro as Ed: He is Sally’s father, Peter and Mia’s grandfather, Arthur’s father-in-law. He is also one of Danny and Jerry’s two friends.
  • Oakes Fegley as Peter Decker: Peter is Ed’s grandson, Mia’s brother, and Arthur and Sally’s son.
  • Christopher Walken as Jerry: He is Diane’s husband and one of Danny and Ed’s two friends.
  • Uma Thurman as Sally Decker:  Arthur’s wife, Mia and Peter’s mother and Ed’s daughter.
  • Jane Seymour as Diane: Jerry’s wife.
  • Rob Riggle as Arthur Decker: Sally’s husband, and Mia and Peter’s father, and Ed’s son-in-law.
  • Laura Marano as Mia Decker: Arthur and Sally’s daughter, Ed’s granddaughter, and Peter’s sister.
  • Cheech Marin as Danny: one of Jerry and Ed’s two friends.
  • Colin Ford as Russell
  • Drew Scheid as the 8th Grade Monster

Plot Summary

The War with Grandpa: Peter is thrilled that Grandpa is coming to measure together with his family. Grandpa moves into Peter’s room, forcing him upstairs into the creepy attic.

Although he loves his grandpa he wants his room back, so he has no choice but to declare war. With the assistance of his friends, he devises outrageous plans to form Grandpa surrender the space. But Grandpa is tougher than he looks. instead of conceding, Grandpa plans to urge even.

The War with Grandpa Official Trailer

The official trailer of The War with Grandpa is out, you can watch it below.


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