David Hornsby
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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Movies (15)

Un pequeño Batman Navideño
2023 · The Joker / Fireman (voice)

Fool's Paradise
2023 · Pilot

Escala Obligada
2017 · Screenplay

Earmouse and Bottle
2014 · Earmouse

A Very Sunny Christmas
2009 · Co-Executive Producer

Boldly Going Nowhere
2008 · Lt. Lance Brigsby

Pretty Bird
2008 · Kenny Owenby

Fanboy
2008 · Fanboy (voice) / Kid #2 (voice)

Alien vs. Depredador 2
2007 · Drew

La conquista del honor
2006 · Louis Lowery

Una Navidad De Locos
2004 · Randy Becker
Straight Eye: The Movie
2004 · Daryl

Minority report: Sentencia previa
2002 · Pre-Crime Public Service Announcer
Born Loser
2001 · Warren

Pearl Harbor
2001 · Flyer with Murmur
TV shows (27)

El Halcón
2026 · Radford

Side Quest
2025 · Executive Producer

St. Denis Medical
2024 · Harry

Battle Kitty
2022 · Mole Monster (voice)

Mythic Quest
2020 · David Brittlesbee, Writer, Executive Producer, Director

Chicas buenas
2018 · Leslie 'Boomer' Peterson

Baskets
2016 · Pastor

Escandalosos
2015 · Harry / Additional Voices (voice)

Hello Ladies
2013 · Andy

Los Goldberg
2013 · Kyle Schnitz, Kyle

Unsupervised
2012 · Joel Zymanski (voice), Creator

How to Be a Gentleman
2011 · Andrew Carlson, Writer, Creator

New Girl
2011 · Ed Warner

Fanboy and Chum Chum
2009 · Fanboy (voice), Fanbot (voice)

Random! Cartoons
2008 · Fanboy / Kid #2 (voice)

Boldly Going Nowhere
2008

Dirt
2007 · Harold Beckman

The Unit
2006 · Ricky

Bones
2005 · Father Harrow

Siempre hace sol en Filadelfia
2005 · Matthew 'Rickety Cricket' Mara, Writer, Supervising Producer, Co-Executive Producer, Executive Producer

Jake in Progress
2005 · Ken

Center of the Universe
2004 · Victor
The Mullets
2003 · Denny Mullet

The Joe Schmo Show
2003 · Steve

Six Feet Under
2001 · Patrick

The West Wing
1999 · Fred

ER
1994 · Strauss

