Grassroots is a 2012 American biographical political dark comedy film directed by Stephen Gyllenhaal, based on the book Zioncheck for President by Phil Campbell.

[3][4][5] The film tells the story of Phil Campbell (Jason Biggs), a journalist who has just lost his job and gets roped into leading Grant Cogswell's political campaign.

Grant, played by Joel David Moore, is Phil's enthusiastic and eccentric friend whose passion for the Seattle Monorail Project inspires him to run for Seattle City Council.

"[9] Francesca Steele of The Independent gave the film a positive review and specifically praised Biggs' performance, stating his "American Pie routine - geeky nice guy stepping out of his comfort zone - has stuck with him for a reason.

"[3] Stephanie Zacharek of NPR gave the film a negative review, calling it "a movie where bad ideas, because they're the ones championed by the "correct" side, are king.