
Charles Peckham Day (born February 9, 1976) is an American actor, writer, and producer. He is best known for playing Charlie Kelly on the FX/FXX dark comedy It's Always Sunny in Philadelphia (2005–present), of which he is also a writer and an executive producer. In 2011, he was nominated for a Critics' Choice Television Award and a Satellite Award for the role. Subsequently, he co-created the Apple TV+ comedy Mythic Quest (2020–2025) with Rob Mac and Megan Ganz. In film, Day is best known for his performances as Dr. Newton Geiszler in Guillermo del Toro's Pacific Rim (2013), Dale Arbus in the comedy Horrible Bosses (2011) and its sequel Horrible Bosses 2 (2014), and Andy Campbell in the comedy Fist Fight (2017). He is also known for his voice roles in Monsters University (2013), The Lego Movie film franchise (2014–2019) and Nintendo franchise character Luigi in The Super Mario Bros. Movie (2023) and its sequel, The Super Mario Galaxy Movie (2026). He made his directorial debut with Fool's Paradise (2023). Description above from the Wikipedia article Charlie Day, licensed under CC-BY-SA, full list of contributors on Wikipedia.

as Dmitri (voice)

as Luigi (voice)

as Jimmy

as Marty Metakawitch

as Rick Richards

as Mike Veeck

as Latte Pronto

as Luigi (voice)

as Peter

as Lonny

as Benny (voice)

as Benny (voice)

as Acapulco

as Dr. Newton Geiszler

as Ralph Kinder

as Andy Campbell

as Jason

as Chad

as Dale Arbus

as Benny (voice / uncredited / archive footage)

as Art (voice)

as Benny (voice)

as Dr. Newton Geiszler

as Art (voice)

as Dale Arbus

as Dan Grant

as Charlie Kelly

as Charlie Kelly

as Adam

as Trainee

as Video Clerk

as Trevor

as Joe

as Mailroom Kid