Duplass in October 2011
|Born||Mark David Duplass
7 December 1976
New Orleans, Louisiana, US
|Occupation||Film director, Film producer, Writer, Actor, Musician|
|Relatives||Jay Duplass (brother)|
Personal life 
Duplass was born in New Orleans, Louisiana, the son of Cynthia "Cindy" (née Ernst) and Lawrence "Larry" Duplass. He was raised in a Catholic family, and attended Jesuit High School. Duplass has Cajun ancestry.
Duplass is married to his co-star on The League, Katie Aselton. They have two children. Duplass is considered to be one of the founders of the mumblecore aesthetic. He is also the lead singer of the rock band Volcano, I'm Still Excited!!
Duplass has written, directed, and produced a number of feature films with his brother Jay Duplass.
In 2005 he wrote and produced The Puffy Chair with his brother, in addition to acting as one of the main characters. According to IMDB, he also directed the film with his brother although he was not credited.
The two brothers later wrote, directed, and produced the films Baghead (2008) and Cyrus (2010) together and have a unique style which consists of a great deal of ad-libbing off of the original script, shooting a number of takes, and editing scenes down 15 to 20 times. Their films Jeff, Who Lives at Home and The Do-Deca-Pentathlon were released in 2012.
Feature Filmography 
|2005||The Puffy Chair||Uncredited||Yes||Yes|
|2012||Lovers of Hate||Yes*|
|2011||Jeff, Who Lives at Home||Yes||Yes|
|2012||Your Sister's Sister||Yes*|
|2012||Safety Not Guaranteed||Yes*|
* = Executive Producer
** = Co-Producer
|2002||The New Brad||Short Film||Yes||Yes|
|2003||This is John||Short Film||Yes||Yes|
|2005||The Intervention||Short Film||Yes||Yes|
As actor 
|2003||This is John||Jon Ashford|
|2002||The New Brad||Brad|
|2005||The Puffy Chair||Josh|
|2007||Hannah Takes the Stairs||Mike|
|2009||Other People's Parties||Doug Rhineau|
|2009–present||The League||Pete Eckhart|
|2011||Your Sister's Sister||Jack|
|2012||Safety Not Guaranteed||Kenneth Calloway|
|2012||Darling Companion||Bryan Alexander|
|2012||People Like Us||Ted|
|2012||Zero Dark Thirty||Steve|
|2012||The Mindy Project||Brendan Deloreas|
- "Best Screenplay for "The Puffy Chair" at the BendFilm Festival
- "I'm Still Excited Volcano - Volcano, I'm Still Excited!! LP". Cduniverse.com. Retrieved 2012-08-24.
- "Los Angeles Times: Archives - The Week Ahead; Low budget and brotherly". Pqasb.pqarchiver.com. 2006-07-03. Retrieved 2012-08-24.
- "Mr. John Anthony Ernst, Jr. Obituary - Lake Lawn Metairie Funeral Home and Cemeteries". Stei-23818.tributes.com. Retrieved 2012-08-24.
- Hood, Shannon (2010-03-19). "SXSW Interview: ‘Cyrus’ Directors Mark and Jay Duplass". The Flickcast. Retrieved 2012-08-24.
- "Jay Duplass Talks Moving To The Mainstream At The 2011 Savannah Film Festival | The Playlist". Blogs.indiewire.com. 2012-03-02. Retrieved 2012-08-24.
- Lamble, David. "The Bay Area Reporter Online | Now playing & resonating". Ebar.com. Retrieved 2012-08-24.
- Freydkin, Donna (12 November 2009). "Mark Duplass, Katie Aselton: In 'The League' and in love". USA Today. Retrieved 18 January 2010.
- "The Puffy Chair on IMDB"
- "Mark Duplass on IMDB"
- Needles, Tim. "5 Questions for the cast of the new film Cyrus". Short and Sweet NYC. Retrieved 27 January 2012.
- "Jeff Who Lives At Home on IMDB"
- "The Do-Deca-Pentathlon on IMDB"
- Mark Duplass at the Internet Movie Database
- Rotten Tomatoes Mark Duplass profile page
- Interview with Jay and Mark Duplass on "Baghead" at IFC.com
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