David Hornsby

Acting • 51 Credits

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.

🎬 Directed Titles (1)

Directorial Filmography
Mythic Quest

Mythic Quest

2020 ⭐ 3.6

✍️ Written & Story Credits (4)

Screenplay, Novel & Story
It's Always Sunny in Philadelphia

It's Always Sunny in Philadelphia

2005 ⭐ 4.2
Writer
The Layover

The Layover

2017 ⭐ 2.7
Screenplay
Mythic Quest

Mythic Quest

2020 ⭐ 3.6
Writer
How to Be a Gentleman

How to Be a Gentleman

2011 ⭐ 2.2
Writer

🎭 Acting Roles (30)

Ranked by Prestige & Popularity
Minority Report

Minority Report

2002 ⭐ 3.7
as Pre-Crime Public Service Announcer
Pearl Harbor

Pearl Harbor

2001 ⭐ 3.5
as Flyer with Murmur
Bones

Bones

2005 ⭐ 4.1
as Father Harrow
Aliens vs Predator: Requiem

Aliens vs Predator: Requiem

2007 ⭐ 2.6
as Drew
Flags of Our Fathers

Flags of Our Fathers

2006 ⭐ 3.4
as Louis Lowery
We Bare Bears

We Bare Bears

2015 ⭐ 3.9
as Harry / Additional Voices (voice)
New Girl

New Girl

2011 ⭐ 3.7
as Ed Warner
It's Always Sunny in Philadelphia

It's Always Sunny in Philadelphia

2005 ⭐ 4.2
as Matthew 'Rickety Cricket' Mara
Christmas with the Kranks

Christmas with the Kranks

2004 ⭐ 3.1
as Randy Becker
Six Feet Under

Six Feet Under

2001 ⭐ 4.0
as Patrick
ER

ER

1994 ⭐ 3.9
as Strauss
Good Girls

Good Girls

2018 ⭐ 3.9
as Leslie 'Boomer' Peterson
The West Wing

The West Wing

1999 ⭐ 4.1
as Fred
Mythic Quest

Mythic Quest

2020 ⭐ 3.6
as David Brittlesbee
The Goldbergs

The Goldbergs

2013 ⭐ 3.7
as Kyle
The Unit

The Unit

2006 ⭐ 3.7
as Ricky
Merry Little Batman

Merry Little Batman

2023 ⭐ 3.3
as The Joker / Fireman (voice)
Baskets

Baskets

2016 ⭐ 3.5
as Pastor
Hello Ladies

Hello Ladies

2013 ⭐ 3.4
as Andy
Fool's Paradise

Fool's Paradise

2023 ⭐ 2.3
as Pilot
Fanboy and Chum Chum

Fanboy and Chum Chum

2009 ⭐ 2.8
as Fanbot (voice)
The Hawk

The Hawk

2026 ⭐ 2.8
as Radford
St. Denis Medical

St. Denis Medical

2024 ⭐ 3.4
as Harry
Dirt

Dirt

2007 ⭐ 3.4
as Harold Beckman
Unsupervised

Unsupervised

2012 ⭐ 3.3
as Joel Zymanski (voice)
Pretty Bird

Pretty Bird

2008 ⭐ 2.5
as Kenny Owenby
How to Be a Gentleman

How to Be a Gentleman

2011 ⭐ 2.2
as Andrew Carlson
The Joe Schmo Show

The Joe Schmo Show

2003 ⭐ 4.1
as Steve
Random! Cartoons

Random! Cartoons

2008 ⭐ 3.8
as Fanboy / Kid #2 (voice)
Battle Kitty

Battle Kitty

2022 ⭐ 3.8
as Mole Monster (voice)