Glenn Howerton - wikipedia Glenn Howerton Glenn Howerton Howerton at the 2013 San Diego Comic - Con International Glenn Franklin Howerton III ( 1976 - 04 - 13 ) April 13, 1976 ( age 42 ) Japan Occupation Actor, producer, screenwriter Years active 1997 -- present Spouse ( s ) Jill Latiano ( m. 2009 ) Children Glenn Franklin Howerton III ( born April 13, 1976 ) is an American actor, producer, and screenwriter. He is known for his roles as Dennis Reynolds in It 's Always Sunny in Philadelphia, for which he is also a writer and executive producer, and Jack Griffin in A.P. Bio, as well as the lead role in the short - lived sitcom That ' 80s Show. Contents 1 Early life 2 Career 3 Personal life 4 Filmography 4.1 Film 4.2 Television 5 References 6 External links Early life Howerton was born in Japan, the son of American couple Janice and Glenn Franklin Howerton Jr., a fighter pilot. Almost immediately after his birth, his family moved to Arizona and then New Mexico for a short while. They then moved to Felixstowe, England when he was 3 years old. Afterwards they moved to Virginia, followed by Seoul, South Korea. When he was 10 years old, his family moved to Alabama. After graduating from Jefferson Davis High School in Montgomery, Alabama, he spent two years at New World School of the Arts in Miami, Florida. He was part of Group 29 of the Juilliard School 's Drama Division ( 1996 -- 2000 ), where he graduated with a Bachelor of Fine Arts. Career In 2002, Howerton starred as Corey Howard in the ill - fated That ' 80s Show. He went on to guest star on ER as Dr. Nick Cooper in 2003. He had small roles in the films Must Love Dogs ( 2005 ), Serenity ( 2005 ), Two Weeks ( 2006 ), and The Strangers ( 2008 ). He also appeared as a nurse in Crank ( 2006 ), and reprised the role in its 2009 sequel, Crank : High Voltage. Howerton is most notably involved in `` It 's Always Sunny in Philadelphia '' ( 2005 - ) as one of the main cast, producer and director, he also has written numerous episodes. He planned to be executive producing on the comedy show Boldly Going Nowhere with his It 's Always Sunny in Philadelphia co-creators, before the show was delayed. Howerton had a recurring voice role on The Cleveland Show as Ernie Krinklesac, as well as recurring roles on the Fox comedy series The Mindy Project and the FX dark comedy series Fargo. He starred in the 2013 comedy film Coffee Town. He also had a bit part as the gun running Dominic, in the recently released Netflix Original Officer Downe, starring Kim Coates. Personal life On September 8, 2009, Howerton married actress Jill Latiano, who guest starred on the It 's Always Sunny in Philadelphia episode `` The D.E.N.N.I.S. System '' two months later. Their first son, Miles Robert, was born in 2011. The couple had a second son, Isley Ray, in August 2014. Filmography Film Year Title Role Notes 2002 Monday Night Mayhem Dick Ebersol Television film 2005 Must Love Dogs Michael 2005 Serenity Lilac Young Tough 2006 Crank Doctor 2006 Two Weeks Matthew Bergman 2008 Strangers, The The Strangers Mike 2008 Happy Wednesday Spencer Scott Short film 2009 Crank : High Voltage Doctor Uncredited Everything Must Go Gary 2013 Coffee Town Will Television Year Title Role Notes 2002 Job, The The Job Young guy Episode : `` Gay '' 2002 That ' 80s Show Corey Howard 13 episodes 2003 ER Dr. Nick Cooper 6 episodes 2005 -- 2017 It 's Always Sunny in Philadelphia Dennis Reynolds Main role Also writer and executive producer 2009 American Dad ! Animal control guy # 1 ( voice ) Episode : `` Weiner of Our Discontent '' 2009 -- 2010 Glenn Martin, DDS Various voices 3 episodes 2009 -- 2013 Cleveland Show, The The Cleveland Show Ernie Krinklesac / various voices 30 episodes 2011 Vietnam in HD Donald DeVore Miniseries ; 5 episodes 2012 Unsupervised Clint / Dirt ( voices ) 4 episodes Also executive producer 2013 -- 2017 Mindy Project, The The Mindy Project Cliff Gilbert 13 episodes 2014 -- 2015 Family Guy Various voices 4 episodes 2014 Fargo Don Chumph 5 episodes 2015 TripTank Congressman Rothbard / Congressman Hume / Congressman Adorno ( voices ) Episode : `` Mr. Winchester Goes to Washington '' 2016 House of Lies Seth Buckley 4 episodes 2018 A.P. Bio Jack Main role References Jump up ^ `` Glenn Howerton Bio, Wiki, Net Worth, Married, Wife, Kids, Age, Height ''. Bio Wikis. 2018 - 03 - 07. Retrieved 2018 - 03 - 08. Jump up ^ `` Glenn Howerton : Biography ''. TVGuide.com. Retrieved 2010 - 12 - 29. Jump up ^ `` Glenn Howerton Biography, Celebrity Facts and Awards ''. TVGuide.com. Retrieved 2017 - 03 - 05. Jump up ^ `` Glenn Howerton Is Dead Serious About Being Funny ''. gq.com. Retrieved 2018 - 03 - 17. Jump up ^ `` Alumni News ''. The Juilliard School. November 2007. Archived from the original on 2011 - 11 - 11. Jump up ^ `` Glenn Howerton ''. All Movie Guide. The New York Times. Retrieved April 2, 2012. Jump up ^ Schmikowitz, Matt ( May 13, 2013 ). `` Getting Trapped in Nostalgia in ' That 80s Show ' ''. Split Sider. Jump up ^ Gonzalez, Sandra ( August 7, 2013 ). `` ' It 's Always Sunny ' star to woo ( spoiler ) on ' Mindy Project ' ''. Entertainment Weekly. Jump up ^ Damon, Lauren ( May 20, 2014 ). `` Glenn Howerton talks about his role in FX 's hit show `` Fargo '' ``. Media Mikes. Jump up ^ Leon, Anya ( September 16, 2011 ). `` Glenn Howerton Welcomes Son Miles Robert ''. People magazine. Retrieved September 23, 2011. Jump up ^ `` Glenn Howerton of It 's Always Sunny in Philadelphia Welcomes Second Son With Wife Jill Latiano ''. US Weekly magazine. November 14, 2014. Retrieved November 14, 2014. External links Glenn Howerton on IMDb LCCN : no2007112017 VIAF : 7178687 Retrieved from `` https://en.wikipedia.org/w/index.php?title=Glenn_Howerton&oldid=843642463 '' Categories : 1976 births 21st - century American male actors American male film actors American male television actors American television producers American television writers Male television writers Juilliard School alumni Living people Male actors from Montgomery, Alabama Military brats Upper Canada College alumni Screenwriters from Alabama Hidden categories : Articles with hCards Wikipedia articles with LCCN identifiers Wikipedia articles with VIAF identifiers Talk Contents About Wikipedia تۆرکجه Dansk Deutsch فارسی Français 한국어 Italiano Nederlands Polski Português Русский Suomi Svenska 5 more Edit links This page was last edited on 30 May 2018, at 13 : 46. About Wikipedia

Question: who plays dennis on it's always sunny
Answer: Glenn Franklin Howerton III