Greg convinces his family to take a road trip to attend his great grandmother's 90th birthday as a cover for what he really wants: to attend a nearby gamer convention. Unsurprisingly, things do not go according to plan and Heffley family antics ensue.
Owen Asztalos | Rowley | |
Alicia Silverstone | Susan | |
Tom Everett Scott | Frank | |
Beth Keener | Reporter | |
Wyatt Walters | Manny Heffley | |
Jason Drucker | Greg |
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