The War with Grandpa
The War with Grandpa
A young boy wages a prank war against his grandfather after the elder moves into his bedroom, forcing him into the attic. Based on Robert Kimmel Smith's novel, the family comedy was directed by Tim Hill and stars Oakes Fegley and Robert De Niro, with ensemble cast including Uma Thurman.
ReleasedAug 27, 2020
Budget$18M
Box Office$43M
Daily Popularity History
Daily Attention Score for The War with Grandpa
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Rankings
Daily Attention Score rankings for The War with Grandpa
Today's Most Popular Movies
By Attention Score on September 21, 2026
#3974
The War with Grandpa
0.5
Top Cast
By Attention Score on September 21, 2026
1
Robert De Niro
Ed
11.6
2
Uma Thurman
Sally
4.6
3
Jane Seymour
Diane
3.8
4
Christopher Walken
Jerry
3.7
5
Rob Riggle
Arthur
1.6
6
Cheech Marin
Danny
1.3