The War with Grandpa

The War with Grandpa (2020)

Old school vs new cool

  • Genre: Comedy, Family, Drama
  • Release Date: 2020-08-27
  • User Rating: 6.3/10 from 396 ratings
  • Runtime: 1h 34min
  • Language: English
  • Production Company: Marro Films
  • Production Country: United States of America
  • Director: Tim Hill
star 6.3/10
From 396 Ratings


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.

The War with Grandpa Trailer

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  • Robert De Niro

    as Grandpa Ed
  • Uma Thurman

    as Sally
  • Christopher Walken

    as Jerry
  • Jane Seymour

    as Diane
  • Oakes Fegley

    as Peter
  • Laura Marano

    as Mia
  • Rob Riggle

    as Arthur
  • Cheech Marin

    as Danny
  • T.J. McGibbon

    as Emma
  • Isaac Kragten

    as Steve
  • Juliocesar Chavez

    as Billy
  • Lydia Styslinger

    as Lisa
  • Drew Scheid

    as Eighth Grade Monster
  • Faizon Love

    as Store Manager David
  • Colin Ford

    as Russell
  • Poppy Gagnon

    as Jennifer
  • Gage Lawson

    as Teen at School
  • Heather Johansen

    as Young Mom
Camera Greg Gardiner Director of Photography
Sound Aaron Zigman Original Music Composer
Editing Craig Herring Editor
Production Roe Baker Casting Director
Costume & Make-Up Christopher Hargadon Costume Design
Production Phillip Glasser Producer
Directing Tim Hill Director
Writing Tom J. Astle Screenplay
Writing Matt Ember Screenplay
Editing Peter S. Elliot Editor
Art John Collins Production Design
Production Guy Fieri Executive Producer
Production Marvin Peart Producer
Writing Robert Kimmel Smith Novel
Production Rosa Morris Peart Producer