David Hornsby
Biography
David Alan Hornsby is an American actor, screenwriter, and producer born on December 1, 1975, in Newport News, Virginia. He is best known for his recurring role as defrocked priest Matthew Rickety Cricket Mara on the FX comedy series It's Always Sunny in Philadelphia, where he also serves as a writer and co-producer. Additionally, Hornsby held a regular role on the NBC comedy-crime series Good Girls from 2018 to 2020. As a voice actor, he provided the voice of the title character Fanboy in the Nickelodeon animated television series Fanboy and Chum Chum. Hornsby has accumulated forty-one known acting credits in television and film throughout his career.
Career overview
David Alan Hornsby is an American actor, screenwriter, and producer born on December 1, 1975, in Newport News, Virginia. He is best known for his recurring role as the defrocked priest Matthew Rickety Cricket Mara on the FX comedy series It's Always Sunny in Philadelphia, a show for which he also serves as a writer and co-producer.
In addition to his work on It's Always Sunny in Philadelphia, Hornsby had a regular role on the NBC comedy-crime series Good Girls from 2018 to 2020. He is also recognized for his voice acting work, specifically providing the voice of the title character Fanboy in the Nickelodeon animated television series Fanboy and Chum Chum.
Throughout his career in the entertainment industry, Hornsby has accumulated forty-one known credits in acting. His work spans television comedy, crime series, and animation as both an on-screen performer and a voice actor, alongside his behind-the-scenes contributions as a writer and producer.
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Frequent co-stars
Career timeline
Full filmography
- The Hawk (2026) as Radford
- Side Quest (2025) Executive Producer
- St. Denis Medical (2024) as Harry
- Merry Little Batman (2023) as The Joker / Fireman (voice)
- Fool's Paradise (2023) as Pilot
- Battle Kitty (2022) as Mole Monster (voice)
- Mythic Quest (2020) as David Brittlesbee
- Mythic Quest (2020) Writer
- Mythic Quest (2020) Executive Producer
- Mythic Quest (2020) Director
- Good Girls (2018) as Leslie 'Boomer' Peterson
- The Layover (2017) Screenplay
- Baskets (2016) as Pastor
- We Bare Bears (2015) as Harry / Additional Voices (voice)
- Earmouse and Bottle (2014) as Earmouse
- The Goldbergs (2013) as Kyle Schnitz
- The Goldbergs (2013) as Kyle
- Hello Ladies (2013) as Andy
- Unsupervised (2012) as Joel Zymanski (voice)
- Unsupervised (2012) Creator
- New Girl (2011) as Ed Warner
- How to Be a Gentleman (2011) as Andrew Carlson
- How to Be a Gentleman (2011) Writer
- How to Be a Gentleman (2011) Creator
- Fanboy and Chum Chum (2009) as Fanboy (voice)
- Fanboy and Chum Chum (2009) as Fanbot (voice)
- A Very Sunny Christmas (2009) Co-Executive Producer
- Random! Cartoons (2008) as Fanboy / Kid #2 (voice)
- Fanboy (2008) as Fanboy (voice) / Kid #2 (voice)
- Boldly Going Nowhere (2008)
- Pretty Bird (2008) as Kenny Owenby
- Aliens vs Predator: Requiem (2007) as Drew
- Dirt (2007) as Harold Beckman
- The Unit (2006) as Ricky
- Flags of Our Fathers (2006) as Louis Lowery
- Bones (2005) as Father Harrow
- It's Always Sunny in Philadelphia (2005) as Matthew 'Rickety Cricket' Mara
- It's Always Sunny in Philadelphia (2005) Writer
- It's Always Sunny in Philadelphia (2005) Supervising Producer
- It's Always Sunny in Philadelphia (2005) Co-Executive Producer
- It's Always Sunny in Philadelphia (2005) Executive Producer
- Jake in Progress (2005) as Ken
- Christmas with the Kranks (2004) as Randy Becker
- Center of the Universe (2004) as Victor
- Straight Eye: The Movie (2004) as Daryl
- The Joe Schmo Show (2003) as Steve
- The Mullets (2003) as Denny Mullet
- Minority Report (2002) as Pre-Crime Public Service Announcer
- Six Feet Under (2001) as Patrick
- Pearl Harbor (2001) as Flyer with Murmur
- Born Loser (2001) as Warren
- The West Wing (1999) as Fred
- ER (1994) as Strauss