Brett Clifford Gelman is an American actor and comedian. He is best known for the roles of Brett Mobley in the Adult Swim comedy-action series Eagleheart, as Mr. K on the NBC sitcom Go On, as Hamish on the Comedy Central series Another Period, and as A.J. in the FX comedy series Married. He co-starred as Martin on the BBC comedy Fleabag and has appeared on Twin Peaks, Making History, and as Murray Bauman in Stranger Things.
| Movie | Dinner with Family with Brett Gelman and Brett Gelman's Family | 2015 |
| Movie | Lemon | 2017 |
| Episode |
Dinner with Friends with Brett Gelman and Friends Dinner with Friends with Brett Gelman and Friends |
2014 |
| Movie | Brett Gelman's Dinner in America | 2016 |
| Movie | Dinner with Family with Brett Gelman and Brett Gelman's Family | 2015 |
| Movie | Lemon | 2017 |
| Movie | Pauline Alone | 2014 |
| Movie | Gregory Go Boom | 2013 |
| Movie | Brett Gelman's Dinner in America | 2016 |
| Episode |
Conan (2010) Allison Janney, Brett Gelman, Brooks Wheelan |
2014 |
| Episode |
Fresh Off the Boat Persistent Romeo |
2015 |
| Episode |
In Bed With Joan Brett Gelman |
2014 |
| Episode |
The Late Show with Stephen Colbert Charlamagne tha God, Brett Gelman, St. Vincent |
2022 |
| Episode |
A Little Late with Lilly Singh Brett Gelman, Rosanna Pansino |
2020 |
| Episode |
Funny or Die Presents 1,000 Cats; Casual Sex |
2010 |
| Episode |
The Odd Couple (2015) Jealous Island |
2015 |
| Episode |
The Jeselnik Offensive Andy Kindler & Brett Gelman |
2013 |
| Episode |
NTSF:SD:SUV:: Unfrozen Agent Man |
2013 |
| Episode |
Bored to Death We Could Sing a Duet |
2011 |
| Episode |
Scheer-RL Marilyn Manson |
2015 |
| Episode |
The Late Late Show with James Corden Bradley Whitford, Brett Gelman |
2020 |
| Episode |
Attack of the Show Matt Mira; Karen Gillan; Brett Gelman |
2012 |
| Episode |
Lights Out with David Spade Judd Apatow, Brett Gelman & Chance the Rapper |
2019 |
| Episode |
How Did This Get Made? Zardoz |
2015 |
| Episode |
The League The Guest Bong |
2011 |
