
Acting · 50 years old
New York City, New York, USA
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.

Kill Me
Jimmy

Snacked
Self

The Nightman Cometh: Live
Charlie Kelly

Hot Ones Versus
Self

Rick and Morty
Salva-tron (voice)

A Very Sunny Christmas
Charlie Kelly

It's Always Sunny in Philadelphia
Charlie Kelly

Third Watch
Michael Boscorelli

Welcome to Wrexham
Self

The Super Mario Bros. Movie
Luigi (voice)

Abbott Elementary
Charlie

The Lego Movie
Benny (voice)

Law & Order
Jeremy

Mythic Quest
Spencer

Reno 911!
Inbred Twin

Conan
Self

Hot Ones
Self

Monsters University
Art (voice)

American Dad!
Jon (Voice)

Saturday Night Live
Self - Cameo (uncredited)