Jonathan Bennett and Lindsay Lohan. Photo: Jonathan Bennett/Instagram Mean Girls was one "grool" adventure for Jonathan Bennett. The actor, who played Aaron Samuels in the 2004 teen comedy, shared his gratitude for being in the film as he celebrated the movie's 20th anniversary. On Instagram, Bennett, 42, posted throwback photos featuring himself posing with costars Lindsay Lohan (who played protagonist Cady Heron) and Lacey Chabert (who played Plastic member Gretchen Wieners).