Zachary Knight "ZachGalifianakis (born October 1, 1969) is an American stand-up comedian and actor of Greek ancestry, best known for his film and television appearances including his own TV special on Comedy Central and his role as Alan Garner in The Hangover movie trilogy.

On The Simpsons, Galifianakis guest voiced as Lucas Bortner in "Luca$".


External links

Guest stars in Season 25
Kristen WiigRachel MaddowJoe NamathElisabeth MossEva LongoriaAnderson CooperKevin Michael RichardsonJudd ApatowWill ArnettRob HalfordLeslie MannSeth RogenPaul RuddChanning TatumHarlan EllisonStan LeeWill LymanDaniel RadcliffeKelsey GrammerMax von SydowAndrés CantorZach GalifianakisAmy PoehlerTavi GevinsonPeter SagalCarl KasellJohn Oliver
Community content is available under CC-BY-SA unless otherwise noted.