Charlie Day

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.

Description above from the Wikipedia article Charlie Day, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Known For

Pacific Rim Not in library

Pacific Rim

2013

Monsters University Not in library

Monsters University

2013

Rick and Morty Not in library

Rick and Morty

2013

The Super Mario Bros. Movie Not in library

The Super Mario Bros. Movie

2023

The Lego Movie Not in library

The Lego Movie

2014

Horrible Bosses Not in library

Horrible Bosses

2011

Pacific Rim: Uprising Not in library

Pacific Rim: Uprising

2018

Horrible Bosses 2 Not in library

Horrible Bosses 2

2014

Vacation Not in library

Vacation

2015

The Lego Movie 2: The Second Part Not in library

The Lego Movie 2: The Second Part

2019

Acting

2026 Kill Me as Jimmy
2026 Wildwood as (voice)
2026 The Super Mario Galaxy Movie as Luigi (voice) In Library
2025 Summer of 69 as Rick Richards
2025 Honey Don't! as Marty Metakawitch
2025 PaleyLive: It’s Always Sunny in Philadelphia 20th Anniversary Celebration! as Self
2024 Hot Ones Versus as Self (1 episode)
2023 The Super Mario Bros. Movie as Luigi (voice)
2023 The Saint of Second Chances as Mike Veeck
2023 Fool's Paradise as Latte Pronto
2023 Bupkis as Glen Rossi (1 episode)
2022 I Want You Back as Peter
2022 Welcome to Wrexham as Self (1 episode)
2021 How It Ends as Lonny
2021 Snacked as Self (1 episode)
2021 Abbott Elementary as Charlie (1 episode)
2020 Mythic Quest as Spencer (1 episode)
2019 The Lego Movie 2: The Second Part as Benny (voice)
2019 The Kelly Clarkson Show as Self - Guest (3 episodes)
2018 Emmet's Holiday Party: A LEGO Movie Short as Benny (voice)
2018 Pacific Rim: Uprising as Dr. Newton Geiszler
2018 Hotel Artemis as Acapulco
2018 The Cool Kids as Chet the Handyman (1 episode)
2017 Fist Fight as Andy Campbell
2017 I Love You, Daddy as Ralph Kinder
2016 The Hollars as Jason
2015 Vacation as Chad
2015 The Late Show with Stephen Colbert as Self (1 episode)
2015 Hot Ones as Self (1 episode)
2014 The Lego Movie as Benny (voice)
2014 Horrible Bosses 2 as Dale Arbus
2014 Party Central as Art (voice)
2014 The Emmet Awards Show! as Benny (voice / uncredited / archive footage)
2014 The Tonight Show Starring Jimmy Fallon as Self (2 episodes)
2013 Monsters University as Art (voice)
2013 Pacific Rim as Dr. Newton Geiszler
2013 Rick and Morty as Salva-tron (voice) (1 episode)
2012 Unsupervised as Jesse Judge (Voice) (1 episode)
2011 Horrible Bosses as Dale Arbus
2010 Going the Distance as Dan Grant
2010 Conan as Self (2 episodes)
2009 A Very Sunny Christmas as Charlie Kelly
2009 The Nightman Cometh: Live as Charlie Kelly
2008 A Quiet Little Marriage as Adam
2008 Free Radio as Self (1 episode)
2005 It's Always Sunny in Philadelphia as Charlie Kelly (177 episodes)
2005 American Dad! as Jon (Voice) (1 episode)
2003 Love Thy Neighbor as Video Clerk
2003 Luis as Richie (10 episodes)
2003 Reno 911! as Inbred Twin (1 episode)
2003 Jimmy Kimmel Live! as Self (2 episodes)
2001 Campfire Stories as Joe
2001 Late Summer as Trevor
2000 Mary and Rhoda as Mailroom Kid
2000 Madigan Men
1999 Third Watch as Michael Boscorelli (5 episodes)
1997 The View as Self - Guest (1 episode)
1993 Raw as Self (1 episode)
1990 Law & Order as Jeremy (1 episode)
1975 Saturday Night Live as Self - Cameo (uncredited) (1 episode)
1975 Saturday Night Live as Self - Host (1 episode)

Directing

2023 Fool's Paradise Director

Writing

2025 Side Quest Original Series Creator
2023 Fool's Paradise Writer
2020 Mythic Quest Writer
2018 The Cool Kids Writer
2009 A Very Sunny Christmas Writer
2009 The Nightman Cometh: Live Writer
2008 Boldly Going Nowhere Writer
2005 It's Always Sunny in Philadelphia Writer

Production

2026 Kill Me Producer
2025 Side Quest Executive Producer
2023 For the Safety of Theo Executive Producer
2022 I Want You Back Executive Producer
2020 Mythic Quest Executive Producer
2018 The Cool Kids Executive Producer
2017 Fist Fight Executive Producer
2012 Unsupervised Producer
2009 A Very Sunny Christmas Executive Producer
2008 Boldly Going Nowhere Producer
2005 It's Always Sunny in Philadelphia Executive Producer

Creator

2020 Mythic Quest Creator
2018 The Cool Kids Creator