The film features an ensemble cast consisting of Jane Lynch, Parker Posey, Fred Willard, Ed Begley Jr., Christopher Moynihan, Don Lake, Zach Woods, Chris O'Dowd, Michael Hitchcock, Bob Balaban, and Jennifer Coolidge.

The climax of the film is the championship event where mascots perform their routines, showcasing a mix of slapstick humor, physical comedy, and the heartfelt dedication of each competitor to their craft.

Despite the lack of a tightly woven plot, "Mascots" celebrates the eccentricity of its characters, providing both satire and a gentle nod to the dedication found within even the most unusual professions.

[3] It was reported on August 26, 2015 that previous Guest collaborators Jane Lynch, Parker Posey, John Michael Higgins, Jennifer Coolidge, Bob Balaban, and Chris O'Dowd were in negotiations to join the film.

"[8] Stephen Dalton of The Hollywood Reporter wrote: "The gentle tone and disjointed sketch-show structure here will appeal to long-standing fans, but Mascots wins no prizes for innovation or progression.