Mike O'Malley
- Nemesis
2026 Detective Rick Viggiano
- Eenie Meanie
2025 George
- After All
2025 Barry
- Suits LA
2025 Avery Jeffers
- Doctor Odyssey
2024 Rodney Prescott
- Extended Family
2023 Writer
- Fire Country
2022 Danny Marks
- Heels
2021 Executive Producer
- Abbott Elementary
2021 Captain Robinson
- Grand Crew
2021 Zeb Jenkins
- Snowpiercer
2020 Sam Roche
- 3 Days with Dad
2019 Brick
- The Morning Show
2019 Tim Eavers
- Wayne
2019 Cole
- Sully
2016 Charles Porter
- The Good Place
2016 Jeff the Doorman
- Concussion
2015 Daniel Sullivan
- A Good Marriage
2014 Bill Gaines
- BoJack Horseman
2014 Artie (voice)
- Survivor's Remorse
2014 Creator
- R.I.P.D.
2013 Elliot
- Behind the Candelabra
2013 Tracy Schnelker
- 3 Geezers!
2013 Mike
- Welcome to the Family
2013 Producer
- So Undercover
2012 Sam
- Cedar Rapids
2011 Mike Pyle
- When Harry Met Sally 2 with Billy Crystal & Helen Mirren
2011 State Trooper (uncredited)
- Certainty
2011 Screenplay
- Shameless
2011 Writer
- Eat Pray Love
2010 Andy Shiraz
- Parenthood
2010 Jim Kazinsky
- Raising Hope
2010 Jim
- Justified
2010 Nick "Nicky" Augustine
- Glee
2009 Burt Hummel
- Parks and Recreation
2009 Bill
- Meet Dave
2008 Knox
- Leatherheads
2008 Mickey
- Pretty/Handsome
2008 Chip Fromme
- My Own Worst Enemy
2008 Tom Grady / Raymond Carter
- On Broadway
2007 Father Rolie O'Toole
- The Perfect Man
2005 Lenny Horton
- My Name Is Earl
2005 Stuart Daniels
- Unscripted
2005 Mike O'Malley
- The Curse of the Bambino
2003 Himself
- A Baby Blues Christmas Special
2002 Darryl MacPherson (voice)
- 28 Days
2000 Oliver
- Yes, Dear
2000 Director
- Baby Blues
2000 (voice)
- Pushing Tin
1999 Pete
- The Mike O'Malley Show
1999 Writer
- Deep Impact
1998 Mike Perry
- Above Freezing
1998 Artie
- Some Girl
1998 Dan
- Path to Paradise: The Untold Story of the World Trade Center Bombing
1997 Storage Facility Manager
- Life with Roger
1996 Roger Hoyt
- Get the Picture
1991
- Casualty
1986 Arthur Drury
- Pretty/Handsome
Chip Fromme
- Family Album
Dave Bronsky
