Person

David Hornsby

Acting · Born 1975-12-01 · Newport News, Virginia, USA

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.

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  Bones

  Father Harrow

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  ER

  Strauss

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  Good Girls

  Leslie 'Boomer' Peterson

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  The West Wing

  Fred

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  The Goldbergs

  Kyle Schnitz

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  It's Always Sunny in Philadelphia

  Matthew 'Rickety Cricket' Mara

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  New Girl

  Ed Warner

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  The Hawk

  Radford

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  We Bare Bears

  Harry / Additional Voices (voice)

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  Six Feet Under

  Patrick

• 2026The HawkRadford
• 2025Side QuestExecutive Producer
• 2024St. Denis MedicalHarry
• 2023Merry Little BatmanThe Joker / Fireman (voice)
• 2023Fool's ParadisePilot
• 2022Battle KittyMole Monster (voice)
• 2020Mythic QuestDavid Brittlesbee
• 2018Good GirlsLeslie 'Boomer' Peterson
• 2017The LayoverScreenplay
• 2016BasketsPastor
• 2015We Bare BearsHarry / Additional Voices (voice)
• 2014Earmouse and BottleEarmouse
• 2013Hello LadiesAndy
• 2013The GoldbergsKyle Schnitz
• 2012UnsupervisedJoel Zymanski (voice)
• 2011How to Be a GentlemanAndrew Carlson
• 2011New GirlEd Warner
• 2009A Very Sunny ChristmasCo-Executive Producer
• 2009Fanboy and Chum ChumFanboy (voice)
• 2008Random! CartoonsFanboy / Kid #2 (voice)
• 2008Boldly Going Nowhere
• 2008Pretty BirdKenny Owenby
• 2008FanboyFanboy (voice) / Kid #2 (voice)
• 2007Aliens vs Predator: RequiemDrew
• 2007DirtHarold Beckman
• 2006Flags of Our FathersLouis Lowery
• 2006The UnitRicky
• 2005BonesFather Harrow
• 2005It's Always Sunny in PhiladelphiaMatthew 'Rickety Cricket' Mara
• 2005Jake in ProgressKen
• 2004Christmas with the KranksRandy Becker
• 2004Center of the UniverseVictor
• 2004Straight Eye: The MovieDaryl
• 2003The MulletsDenny Mullet
• 2003The Joe Schmo ShowSteve
• 2002Minority ReportPre-Crime Public Service Announcer
• 2001Born LoserWarren
• 2001Six Feet UnderPatrick
• 2001Pearl HarborFlyer with Murmur
• 1999The West WingFred
• 1994ERStrauss