Known for 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.
2001
as Flyer with Murmur
2002
as Pre-Crime Public Service Announcer
2007
as Drew
2006
as Louis Lowery
2004
as Randy Becker
2017
Screenplay
2023
as The Joker / Fireman (voice)
2023
as Pilot
2008
as Kenny Owenby
2009
Co-Executive Producer
2014
as Earmouse
2001
as Warren
2008
as Fanboy (voice)
2004
as Daryl