David Hornsby
Acting
40
Acting Credits
1
Directed
Biography
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
Filmography
The Hawk
2026
as Radford
St. Denis Medical
2024
as Harry
Fool's Paradise
2023
as Pilot
Merry Little Batman
2023
as The Joker / Fireman (voice)
Battle Kitty
2022
as Mole Monster (voice)
Mythic Quest
2020
as David Brittlesbee
Good Girls
2018
as Leslie 'Boomer' Peterson
Baskets
2016
as Pastor
We Bare Bears
2015
as Harry / Additional Voices (voice)
Earmouse and Bottle
2014
as Earmouse
Hello Ladies
2013
as Andy
The Goldbergs
2013
as Kyle Schnitz
The Goldbergs
2013
as Kyle
Unsupervised
2012
as Joel Zymanski (voice)
How to Be a Gentleman
2011
as Andrew Carlson
New Girl
2011
as Ed Warner
Fanboy and Chum Chum
2009
as Fanboy (voice)
Fanboy and Chum Chum
2009
as Fanbot (voice)
Pretty Bird
2008
as Kenny Owenby
Fanboy
2008
as Fanboy (voice) / Kid #2 (voice)
Boldly Going Nowhere
2008
Random! Cartoons
2008
as Fanboy / Kid #2 (voice)
Aliens vs Predator: Requiem
2007
as Drew
Dirt
2007
as Harold Beckman
Flags of Our Fathers
2006
as Louis Lowery
The Unit
2006
as Ricky
It's Always Sunny in Philadelphia
2005
as Matthew 'Rickety Cricket' Mara
Jake in Progress
2005
as Ken
Bones
2005
as Father Harrow
Christmas with the Kranks
2004
as Randy Becker
Straight Eye: The Movie
2004
as Daryl
Center of the Universe
2004
as Victor
The Joe Schmo Show
2003
as Steve
The Mullets
2003
as Denny Mullet
Minority Report
2002
as Pre-Crime Public Service Announcer
Born Loser
2001
as Warren
Pearl Harbor
2001
as Flyer with Murmur
Six Feet Under
2001
as Patrick
The West Wing
1999
as Fred
ER
1994
as Strauss