
David Hornsby
Acting
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.
Born: December 1, 1975 · Newport News, Virginia, USA
Filmography (31)

TV
Side Quest
2025
Executive Producer

TV
St. Denis Medical
2024
Actor: Harry

Merry Little Batman
2023
Actor: The Joker / Firema…

Fool's Paradise
2023
Actor: Pilot

TV
Battle Kitty
2022
Actor: Mole Monster (voic…

TV
Mythic Quest
2020
Actor: David BrittlesbeeWriter+2

TV
Good Girls
2018
Actor: Leslie 'Boomer' Pe…

The Layover
2017
Screenplay

TV
Baskets
2016
Actor: Pastor

TV
We Bare Bears
2015
Actor: Harry / Additional…

TV
Hello Ladies
2013
Actor: Andy

TV
The Goldbergs
2013
Actor: Kyle SchnitzActor: Kyle

TV
Unsupervised
2012
Actor: Joel (voice)Creator

TV
How to Be a Gentleman
2011
Actor: Andrew CarlsonWriter+1

TV
New Girl
2011
Actor: Ed Warner

A Very Sunny Christmas
2009
Co-Executive Producer

TV
Fanboy and Chum Chum
2009
Actor: Fanboy (voice)Actor: Fanbot (voice)

TV
Random! Cartoons
2008
Actor: Fanboy / Kid #2 (v…

Pretty Bird
2008
Actor: Kenny Owenby

Aliens vs Predator: Requiem
2007
Actor: Drew

TV
Dirt
2007
Actor: Harold Beckman

Flags of Our Fathers
2006
Actor: Louis Lowery

TV
Bones
2005
Actor: Father Harrow

TV
It's Always Sunny in Philadelphia
2005
Actor: Matthew 'Rickety C…Writer+3

Christmas with the Kranks
2004
Actor: Randy Becker

TV
The Joe Schmo Show
2003
Actor: Steve

Minority Report
2002
Actor: Pre-Crime Public S…

TV
Six Feet Under
2001
Actor: Patrick

Pearl Harbor
2001
Actor: Flyer with Murmur

TV
The West Wing
1999
Actor: Fred

TV
ER
1994
Actor: Strauss
