Jason Mantzoukas
Biography
Jason Mantzoukas, born on December 18, 1972, in Nahant, Massachusetts, is an American actor, comedian, and improviser known for his eccentric characters and quick-witted humor. His comedic journey began with improvisational comedy, where his sharp wit and knack for off-the-wall characters shone. Mantzoukas gained recognition for his roles in various comedy series and films, often portraying eccentric and unpredictable characters. He's notably known for his roles in TV shows like "The League," where he portrayed the eccentric Rafi, and his recurring role as Derek in "The Good Place." His performances are characterized by his ability to infuse even the most absurd characters with a bizarre charm and infectious energy. With a knack for stealing scenes and a unique comedic timing that keeps audiences on the edge of laughter, Mantzoukas has become a beloved figure in the comedy world. His distinctive voice and comedic style have also led to numerous voice acting roles in animated series and films.
Known For

The Simpsons

American Dad!

American Dad!

American Dad!

American Dad!

Late Night with Seth Meyers

Late Night with Seth Meyers

The Late Show with Stephen Colbert
All Movies (40)
- Soundtrack: DCM '262026 · as Self
- Dinosaur Improv: DCM '262026 · as Self
- On The Red Carpet Presents: "Percy Jackson"2025 · as Self - Dionysus 'Mr. D'
- The Twits2025 · as Mayor Wayne John John-John (voice)
- Gabby's Dollhouse: The Movie2025 · as Chumsley (voice)
- LEGO Marvel Avengers: Mission Demolition2024 · as Deadpool (voice)
- I'm "George Lucas": A Connor Ratliff Story2024 · as Self (archive footage)
- Infinite2021 · as Artisan
- America: The Motion Picture2021 · as Samuel Adams (voice)
- For Madmen Only: The Stories of Del Close2020 · as Self
- A Parks and Recreation Special2020 · as Dennis Feinstein
- Dolittle2020 · as James the Dragonfly (voice)
- John Wick: Chapter 3 - Parabellum2019 · as Tick Tock Man
- Ralph Breaks the Internet2018 · as Hey Nongman (voice)
- The Long Dumb Road2018 · as Richard
- The House2017 · as Frank
- The Disaster Artist2017 · as Peter
- The Lego Batman Movie2017 · as Scarecrow (voice)
- Donald Trump's The Art of the Deal: The Movie2016 · as Hobo Oracle
- How to Be Single2016 · as George
- Dirty Grandpa2016 · as Tan Pam
- The Night Before2015 · as Bad Santa #1
- Thank You, Del: The Story of the Del Close Marathon2015 · as Self
- Regular Show: The Movie2015 · as Mr. Ross (voice)
- Sleeping with Other People2015 · as Xander
- Giant Sloth2015 · as Giant Sloth
- Search Party2014 · as The Amazing Hugo
- Stretch2014 · as Manny the Valet
- Adult Beginners2014 · as Herman
- They Came Together2014 · as Bob
- Neighbors2014 · as Dr. Theodorakis
- The Dictator2012 · as Nadal
- All Star Bowling Trick Shots2012
- Conception2011 · as Brian
- Please Give2010 · as Shopper
- Splinterheads2009 · as The Amazing Steve
- I Hate Valentine's Day2009 · as Brian Blowdell
- Baby Mama2008 · as Gay Couple
- American Loser2007 · as Luggage Channel Guy
- Terrorists2004 · as John Stevens
All TV Shows (84)
- Mating Season2026 · as AJ (voice)
- A Man on the Inside2024 · as Apollo Lambrakis
- Hot Ones Versus2024 · as Self
- Percy Jackson and the Olympians2023 · as Mr. D / Dionysus
- Obliterated2023 · as Gremlin (voice)
- Lauren Lapkus Presents: A Very Good Time!2023 · as Self
- The Ultimate Improv Show2023 · as Self
- Krapopolis2023 · as (voice)
- Twisted Metal2023 · as Preacher
- Star Wars: Young Jedi Adventures2023 · as Bulcha the Hutt (voice)
- Star Wars: Young Jedi Adventures2023 · as Bulcha the Hutt / Racer #3 (voice)
- Agent Elvis2023 · as Howard Hughes (voice)
- History of the World: Part II2023 · as Greece Ambassador
- Velma2023 · as Scrappy (voice)
- Paper Girls2022 · as Grand Father
- Roar2022 · as Dave / Animal Control
- Pam & Tommy2022 · as Tommy Lee's Penis (voice)
- We Baby Bears2022 · as Zorpo (voice)
- Star Trek: Prodigy2021 · as Jankom Pog (voice)
- Ultra City Smiths2021 · as Tim Snodgrass (voice)
- Ultra City Smiths2021 · as Second Flophouse Resident (voice)
- HouseBroken2021 · as The Gray One (voice)
- INVINCIBLE2021 · as Rex (voice)
- INVINCIBLE2021 · as Rex / Zombie #2 (voice)
- The Wonderful World of Mickey Mouse2020 · as Huckster McBackstabber (voice)
- Close Enough2020 · as Alex Dorpenberger (voice)
- Solar Opposites2020 · as Vando (voice)
- Dickinson2019 · as Bee (voice)
- The Shivering Truth2018 · as (voice)
- Rise of the Teenage Mutant Ninja Turtles2018 · as Carl Sando (voice)
- Nailed It!2018 · as Self
- No Activity2017 · as Marco / Dustin Kasprowicz
- Big Mouth2017 · as Jay Bilzerian (voice)
- DuckTales2017 · as Steelbeak (voice)
- DuckTales2017 · as Steelbeak / Steelbrain (voice)
- Comrade Detective2017 · as Dragos (voice)
- I'm Sorry2017 · as Kyle
- Legion2017 · as Jerome / Wolf
- Drive Share2017 · as Husband
- Gilmore Girls: A Year in the Life2016 · as Robert Castellanos
- The Good Place2016 · as Derek Hofstetler
- HarmonQuest2016 · as Gribble Grabble / Grabble Gribble
- Lady Dynamite2016 · as Karl Grisham
- Bajillion Dollar Propertie$2016 · as Uncle Jerry
- Animals.2016 · as Fink (voice)
- The Late Show with Stephen Colbert2015 · as Self - Guest
- We Bare Bears2015 · as Scientist (voice)
- Taskmaster2015 · as Self
- Thank You and Sorry2015
- Transparent2014 · as Dr. Steve
- Playing House2014 · as C.J. Wolfe
- Review2014 · as Smash-Off Opponent
- Late Night with Seth Meyers2014 · as Self
- Late Night with Seth Meyers2014 · as Self - Guest
- Off Camera with Sam Jones2014 · as Self
- Broad City2014 · as Creepy DJ
- Brooklyn Nine-Nine2013 · as Adrian Pimento
- Drunk History2013 · as Pope
- The Jeselnik Offensive2013 · as Self
- The Greatest Event in Television History2012 · as Director
- Comedy Bang! Bang!2012 · as Chef Luigi Lugosi
- Comedy Bang! Bang!2012 · as Self
- Enlightened2011 · as Omar Ali
- Workaholics2011 · as Isaac Lubetkin
- Traffic Light2011 · as Dimitry
- Bob's Burgers2011 · as Mr. Manoogian (voice)
- Regular Show2010 · as Sad Sax Guy (voice)
- Regular Show2010 · as Scabby Grossman (voice)
- The League2009 · as Rafi
- Modern Family2009 · as Kenny
- Community2009 · as Matt Lundergard
- Parks and Recreation2009 · as Dennis Feinstein
- Childrens Hospital2008 · as Mole Man
- The Life & Times of Tim2008 · as Dr. B.J. (voice)
- Robot Chicken2005 · as Jughead Jones (voice)
- American Dad!2005 · as Talent Agent #1 (voice)
- American Dad!2005 · as Police Officer (voice)
- American Dad!2005 · as Tic-Tac Krachowski (voice)
- American Dad!2005 · as Cuban Soldier in Dream / Theodore (voice)
- Jimmy Kimmel Live!2003 · as Self
- Upright Citizens Brigade1998
- The Simpsons1989 · as Finn Bon Idée (voice)
- A Hundred Percent—
- The George Lucas Talk Show: Live— · as Self