Brett Gelman is an actor and writer, known for 30 Minutes or Less (2011), The Other Guys (2010) and Jobs (2013).
| Movie | Untitled Emily Dickinson Project | Unknown | 2017 |
| Movie | Gingerbreed | Unknown | 2017 |
| Movie | Jeff & Some Aliens | Unknown | 2017 |
| Series | Love | Unknown | 2016 |
| Series | We Are Men | Unknown | 2016-02-12 |
| Movie | Chuck Hank and the San Diego Twins | Unknown | 2016 |
| Movie | Joshy | Unknown | 2016 |
| Series | Angel from Hell | Unknown | 2016 |
| Series | The New Yorker Presents | Unknown | 2016 |
| Series | Eagleheart | Unknown | 2016-01-26 |
| Movie | Flock of Dudes | Howie | 2015-06-13 |
| Series | Another Period | Hamish | 2015-06-23 |
| Series | The Odd Couple | Unknown | 2015-02-19 |
| Series | The Nightly Show with Larry Wilmore | Unknown | 2015-01-19 |
| Series | Fresh Off the Boat | Unknown | 2015-02-04 |
| Series | Blunt Talk | Unknown | 2015-08-22 |
| Movie | Shaman | Unknown | 2015 |
| Series | UCB Comedy Originals | Unknown | 2015 |
| Series | Scheer-RL | Unknown | 2015 |
| Series | Special Look | Unknown | 2015 |
| Movie | The Night Is Young | Unknown | 2015 |
| Series | Man Seeking Woman | Unknown | 2015-01-14 |
| Movie | Dinner with Family with Brett Gelman and Brett Gelman's Family | Unknown | 2015 |
| Series | Comedy Bang! Bang! | Unknown | 2014 |
| Series | Be Here Nowish | Unknown | 2014 |
| Series | Bad Teacher | Unknown | 2014 |
| Series | Surviving Jack | Unknown | 2014 |
| Movie | Rubberhead | Unknown | 2014 |
| Series | Married | AJ | 2014-07-17 |
| Series | The Meltdown with Jonah and Kumail | Unknown | 2014-07-07 |
| Series | TripTank | Unknown | 2014-04-02 |
| Movie | Dinner with Friends with Brett Gelman and Friends | Unknown | 2014 |
| Movie | Pauline Alone | Unknown | 2014 |
| Movie | Someone Marry Barry | Unknown | 2014-09-09 |
| Series | @midnight | Unknown | 2013-10-21 |
| Movie | Jobs | Unknown | 2013-08-16 |
| Series | Brody Stevens: Enjoy It! | Unknown | 2013-12-02 |
| Series | Ghost Ghirls | Unknown | 2013 |
| Series | The Jeselnik Offensive | Unknown | 2013 |
| Series | Mr. Pickles | Unknown | 2013 |
| Series | TakePart Live | Unknown | 2013-08-01 |
| Movie | 17th Annual PRISM Showcase | Himself | 2013-09-14 |
| Series | Drunk History | Unknown | 2013-07-09 |
| Movie | Comedy Central Roast of James Franco | Unknown | 2013 |
| Movie | Tim and Gelman Have Lunch (Again) | Unknown | 2013 |
| Series | Kroll Show | Unknown | 2013-01-16 |
| Movie | Gregory Go Boom | Unknown | 2013 |
| Movie | Awful Nice | Unknown | 2013 |
| Movie | First Look: Ultimate Teaser Trailer | Unknown | 2012 |
| Series | The Inbetweeners | Unknown | 2012 |
| Movie | Matthew Perry's Testimony (Pt.2) | Unknown | 2012 |
| Series | Go On | Unknown | 2012 |
| Movie | In Our Nature | Unknown | 2012 |
| Movie | Weird Al's Broadway Style Cabaret Review | Unknown | 2012 |
| Movie | Earwolf Presents: The Perfect Drop | Unknown | 2011 |
| Movie | Writing Movies for Fun and Profit | Unknown | 2011 |
| Movie | Eat | Unknown | 2011 |
| Series | Happy Endings | Unknown | 2011-04-13 |
| Series | NTSF:SD:SUV | Unknown | 2011-07-21 |
| Movie | 30 Minutes or Less | Pizza Boss | 2011-08-12 |
| Movie | A Very Harold & Kumar 3D Christmas | Unknown | 2011-11-04 |
| Movie | Dear Woman | Unknown | 2011 |
| Movie | Tim & Gelman Have Lunch | Unknown | 2011 |
| Movie | Jewish Santa Is Coming | Unknown | 2010 |
| Movie | This Show Will Get You High | Unknown | 2010 |
| Movie | Mr. Celebrity with Ed Helms | Unknown | 2010 |
| Movie | Mr. Celebrity with Elizabeth Banks | Unknown | 2010 |
| Movie | Underwear for the Underprivileged: A Brett Gelman Charity | Unknown | 2010 |
| Movie | Christmas Lady Marmalade | Unknown | 2010 |
| Movie | At Home with Hal and Christinith: TV Time | Unknown | 2010 |
| Movie | The Therapist | Unknown | 2010 |
| Movie | Brett Gelman is Zoe Saldana for Calvin Klein | Unknown | 2010 |
| Movie | The Inn Keeper | Unknown | 2010 |
| Movie | We Are the World 25.75 | Unknown | 2010 |
| Movie | A Night of 140 Tweets: A Celebrity Tweet-A-Thon for Haiti | Unknown | 2010 |
| Movie | 2010 MTV Movie Awards | Unknown | 2010-06-06 |
| Series | The Back Room | Unknown | 2010-02-25 |
| Series | Bored to Death | Unknown | 2010 |
| Series | Funny or Die Presents... | Unknown | 2010-02-19 |
| Movie | The Other Guys | Unknown | 2010-08-06 |
| Series | Adventure Time | Unknown | 2010-04-05 |
| Series | Pretend Time | Unknown | 2010-10-12 |
| Movie | Death Bed Subtext | Unknown | 2010 |
| Series | Conan | Unknown | 2010-11-08 |
| Movie | Dow Jones | The Man | 2009-09-01 |
| Series | The League | Unknown | 2009-10-29 |
| Movie | May the Best Man Win | Bachelor Party Host | 2009-09-09 |
| Series | Californication | Unknown | 2009 |
| Series | The Life & Times of Tim | Unknown | 2008-06-01 |
| Movie | Stick It in Detroit | Unknown | 2008 |
| Movie | Watching the Detectives | Glenn | 2008-09-11 |
| Movie | The Scariest Show on Television | Unknown | 2008 |
| Series | Honesty | Unknown | 2007 |
| Series | Mad Men | Unknown | 2007-07-19 |
| Series | Nick Cannon Presents: Short Circuitz | Unknown | 2007 |
| Movie | The Right Now! Show | Unknown | 2007 |
| Series | Fat Guy Stuck in Internet | Unknown | 2007 |
| Series | Human Giant | Unknown | 2007-04-05 |
| Movie | This Is Our City | Unknown | 2006 |
| Series | Aqua Teen Hunger Force | Unknown | 2006 |
| Movie | The Cracktion Movie | Unknown | 2006 |
| Movie | Fukkin' Ya Momz in Da Ass | Unknown | 2006 |
| Movie | CHI Enforcement Unit | Unknown | 2006 |
| Series | CollegeHumor Originals | Unknown | 2006-03-31 |
| Series | Last Call with Carson Daly | Unknown | 2005 |
| Series | Shutterbugs | Unknown | 2005 |
| Movie | Coke | Unknown | 2005 |
| Series | The Colbert Report | Unknown | 2005-10-17 |
| Series | The Office | Unknown | 2005-03-24 |
| Series | The Soup | Unknown | 2004-07-30 |
| Movie | Blackballed: The Bobby Dukes Story | Unknown | 2004 |
| Series | Curb Your Enthusiasm | Unknown | 2000-10-15 |
| Series | Comedy Lab | Unknown | 1999 |