David Costabile (born January 9, 1967) is an American actor. He is best known for his television work, having appeared in supporting roles in several television series such as Billions, Breaking Bad, Damages, Flight of the Conchords, Suits, The Wire, and The Dirt. He has also acted on film and in Broadway theatre.

Suits LA
Daniel Hardman · (1 episode)
2025

Snack Shack
Judge
2024

Obliterated
Maddox · (4 episodes)
2023

Waco: The Aftermath
Judge Walter Smith · (5 episodes)
2023

Interview with the Vampire
Leonard Michael · (1 episode)
2022

Incomplete
Officer Schwarts
2022

FBI: International
Ray Lockhart · (1 episode)
2021

Soulmates
David Maddox · (1 episode)
2020

Little Birds
Grant Savage · (6 episodes)
2020

The Gene: An Intimate History
Narrator (voice) · (2 episodes)
2020

The Turner Exhibit
Alex Turner
2019

The Dirt
Doc McGhee
2019

The Post
Art Buchwald
2017

Billions
Michael 'Wags' Wagner · (84 episodes)
2016

13 Hours: The Secret Soldiers of Benghazi
Bob
2016

Better Call Saul
Gale Boetticher · (2 episodes)
2015

Last Week Tonight with John Oliver
Boeing Employee · (1 episode)
2014

Foreclosure
Neurologist
2014

Runner Runner
Professor Hornstein
2013

Low Winter Sun
Simon Boyd · (10 episodes)
2013

Somewhere Slow
Robert Thompson
2013

Side Effects
Carl
2013

Ripper Street
Daniel Judge · (2 episodes)
2012

Lincoln
James Ashley
2012

Elementary
Danilo Gura · (1 episode)
2012

Person of Interest
Samuel Gates · (1 episode)
2011

Suits
Daniel Hardman · (16 episodes)
2011

The Bounty Hunter
Arthur
2010

Henry's Crime
Arnold
2010

Afterschool
Mr. Anderson
2009

The Good Wife
Zachary Hines · (1 episode)
2009

Solitary Man
Gary Porter
2009

Notorious
Mr. Webber
2009

Breaking Bad
Gale Boetticher · (7 episodes)
2008

Damages
Bearded Man · (16 episodes)
2007

Damages
Detective Rick Messer · (1 episode)
2007

Flight of the Conchords
Doug · (11 episodes)
2007

Prime
Jason
2005

The Closer
Mr. Braddock · (1 episode)
2005

The Office
Eric Ward · (1 episode)
2005

Robot Chicken
Itzhak stern/gandalf the grey · (1 episode)
2005

House
Phil · (1 episode)
2004

Without a Trace
Scott Asher · (1 episode)
2002

Law & Order: Criminal Intent
Professor Roth · (1 episode)
2001

How the Grinch Stole Christmas
Biker Who
2000

Isn't She Great
Junior Editor
2000

Cradle Will Rock
Federal Theatre - Beaver Man
1999

Law & Order: Special Victims Unit
Bruce Clarkson · (1 episode)
1999

The Siege
Fingerprint Expert
1998

The Underneath: In Fortune's Shadow
Mr. Gross
Hershey
Tobias Thornhill

Will & Grace
Man · (1 episode)
1998

Law & Order
Glen Dolan · (1 episode)
1990