
Charlie Day
Biography
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 dark comedy It's Always Sunny in Philadelphia (2005–present), which he stars with Rob McElhenney, Kaitlin Olson, Glenn Howerton and Danny DeVito, and 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. He subsequently co-created the Fox sitcom The Cool Kids (2018–2019) with Paul Fruchbom and the Apple TV+ comedy Mythic Quest (2020–2025) with McElhenney and Megan Ganz.
In film, Day is best known for his performances as biologist Dr Newton Geiszler in Guillermo del Toro's science-fiction monster movie Pacific Rim (2013) and its sequel Pacific Rim Uprising (2018), Dale Arbus in the comedy Horrible Bosses (2011) and sequel Horrible Bosses 2 (2014), and teacher 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 the Nintendo franchise character Luigi in The Super Mario Bros. Movie (2023). He made his directorial debut with Fool's Paradise in 2023.
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Known For
Acting History
2026
The Super Mario Galaxy Movie as Luigi (voice)
2025Honey Don't! as Marty Metakawitch
2025Summer of 69 as Rick Richards
2024Hot Ones Versus as Self
2023The Super Mario Bros. Movie: Replayed as Luigi (archive sound)
2023The Saint of Second Chances as Mike Veeck
2023Fool's Paradise as Latte Pronto
2023Bupkis as Glen Rossi
2023The Super Mario Bros. Movie as Luigi (voice)
2022Welcome to Wrexham as Self
2022I Want You Back as Peter
2021Abbott Elementary as Charlie
2021Snacked as Self
2021How It Ends as Lonny
2020Mythic Quest as Spencer
2019The Kelly Clarkson Show as Self
2019The Lego Movie 2: The Second Part as Benny (voice)
2018Emmet's Holiday Party: A LEGO Movie Short as Benny (voice)
2018The Cool Kids as Chet the Handyman
2018Hotel Artemis as Acapulco
2018Pacific Rim: Uprising as Dr. Newton Geiszler
2018Lie Detector as Self
2017I Love You, Daddy as Ralph Kinder
2017Fist Fight as Andy Campbell
2016The Hollars as Jason
2015The Late Show with Stephen Colbert as Self
2015Vacation as Chad
2015Hot Ones as Self
2014Horrible Bosses 2 as Dale Arbus
2014The Emmet Awards Show! as Benny (voice / uncredited / archive footage)
2014Party Central as Art (voice)
2014The Tonight Show Starring Jimmy Fallon as Self
2014The Lego Movie as Benny (voice)
2013Rick and Morty as Salva-tron (voice)
2013Pacific Rim as Dr. Newton Geiszler
2013Monsters University as Art (voice)
2012Unsupervised as Jesse Judge (Voice)
2011Horrible Bosses as Dale Arbus
2010Conan as Self
2010Going the Distance as Dan Grant
2009A Very Sunny Christmas as Charlie Kelly
2009The Nightman Cometh: Live as Charlie Kelly
2008A Quiet Little Marriage as Adam
2008Free Radio as Self
2005It's Always Sunny in Philadelphia as Charlie Kelly
2005American Dad! as Jon (Voice)
2003Love Thy Neighbor as Video Clerk
2003Luis as Richie
2003Reno 911! as Inbred Twin
2003Jimmy Kimmel Live! as Self
2001Late Summer as Trevor
2001Campfire Stories as Joe
2000Madigan Men
2000Mary and Rhoda as Mailroom Kid
1999Third Watch as Michael Boscorelli
1997The View as Self - Guest
1993Raw as Self
1990Law & Order as Jeremy
1975Saturday Night Live as Self - Cameo (uncredited)
1975Saturday Night Live as Self - Host
—Kill Me as Jimmy
—Wildwood as (voice)









