David Hornsby

About

David Alan Hornsby (born December 1, 1975) is an American actor, screenwriter, and producer. He is best known for a recurring role as defrocked priest Matthew "Rickety Cricket" Mara on the FX comedy series It's Always Sunny in Philadelphia, for which he also writes and co-produces. Hornsby also had a regular role on the NBC comedy-crime series Good Girls (2018–2020). He is also the voice of Fanboy in the Nickelodeon animated TV series Fanboy & Chum Chum.

Known for

BonesSeries • 2005It's Always Sunny in PhiladelphiaSeries • 2005The West WingSeries • 1999ERSeries • 1994The GoldbergsSeries • 2013New GirlSeries • 2011We Bare BearsSeries • 2015Six Feet UnderSeries • 2001The UnitSeries • 2006Good GirlsSeries • 2018Mythic QuestSeries • 2020Minority ReportMovie • 2002St. Denis MedicalSeries • 2024Fanboy and Chum ChumSeries • 2009BasketsSeries • 2016Random! CartoonsSeries • 2008Pearl HarborMovie • 2001Side QuestSeries • 2025Aliens vs Predator: RequiemMovie • 2007DirtSeries • 2007The HawkSeries • 2026Flags of Our FathersMovie • 2006Hello LadiesSeries • 2013Battle KittySeries • 2022