CHARLIE
DAY

Charlie Day’s connection to It's Always Sunny in Philadelphia extends beyond playing Charlie Kelly: he also writes and executive produces the series. That combination matters when approaching his career. The actor on screen is also involved in constructing the comic situation, deciding how an argument develops and where a scene can turn. Day was born in New York City on 9 February 1976. His work would grow across television, live-action films, animation and directing.

Horrible Bosses (2011) placed him in an ensemble comedy as Dale Arbus, while Pacific Rim (2013) cast him as scientist Newton Geiszler. FLM.RED’s reading follows the different uses of agitation in those settings. A person can talk faster because he is frightened, because he wants to be believed or because a discovery is moving quicker than everyone else can follow. The comic energy changes when the other people in the scene refuse to share that urgency.

His animation work includes Art in Monsters University (2013), Benny in The LEGO Movie (2014) and Luigi in The Super Mario Bros. Movie (2023). He returned as Luigi in The Super Mario Galaxy Movie (2026). Voice acting offers a useful comparison with the live-action performances. In FLM.RED’s view, breath, hesitation and the shape of a sentence can carry the physical unease that a camera would otherwise find in a face or a pair of restless hands.

Fool’s Paradise (2023), which he wrote, directed and acted in, adds another perspective on the relationship between performance and authorship. For viewers who know only one of Day’s roles, moving between that film, the television series and animation provides a way to hear familiar comic instincts in different surroundings. The collection below lists films currently associated with Day in FLM.RED. It is a selection from this website’s catalogue, rather than a complete filmography.