
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.
Filmography30 titles

A Very Sunny Christmas

It's Always Sunny in Philadelphia

The West Wing

Bones

The Joe Schmo Show

Six Feet Under

Good Girls

ER

We Bare Bears

The Goldbergs

New Girl

Minority Report

The Unit

Mythic Quest

Baskets

Flags of Our Fathers

Pearl Harbor

St. Denis Medical

Hello Ladies

Unsupervised

Dirt

Merry Little Batman

Christmas with the Kranks

Fanboy & Chum Chum

Side Quest

The Layover

Aliens vs. Predator: Requiem

Pretty Bird

Fool's Paradise

How to Be a Gentleman