| Year | Film | Role | Notes |
| 2002 | That '70s Show | Ted | Episode: "Over the Hills and Far Away" |
| 2002–2005 | American Dreams | Andy Eaton / Brian | 4 episodes |
| 2003 | What I Like About You | Hunter | Episode: "Girls Night Out" |
| With You In Spirit | Ben Fisher | Television film |
| 2003–2004 | It's All Relative | Bobby O'Neil | 22 episodes |
| 2004 | Revenge of the Middle-Aged Woman | Sam | Television film |
| F2: Forensic Factor | Frank Black | Episode: "No Body, No Crime" |
| 2005 | CSI: Crime Scene Investigation | Dax Blanchard | Episode: "Snakes" |
| 2006–2010 | My Boys | Brendan 'Brando' Dorff | 49 episodes |
| 2007 | Bones | Robert Frazier | Episode: "The Man in the Mansion" |
| 2008 | CSI: NY | Seth Riggin | Episode: "Playing with Matches" |
| Unhitched | Bobby | Episode: "Woman Marries Horse" |
| 2009 | Celebrities Anonymous | Johnny | Web series |
| Hawthorne | Jared | Episode: "No Guts, No Glory" |
| The Ex List | Steve Bolla | Episode: "Daphne's Idealized Wedding" |
| 2009–2011 | The Secret Life of the American Teenager | Dr. Jeff Tseguay | 9 episodes |
| 2010 | The Big C | Dr. Todd Mauer | 10 episodes |
| 2011 | Mad Love | Dave Evans | Episode: "The Spy Who Loved Me" |
| 2012 | Hot in Cleveland | Sam | Episode: "Hot & Heavy" |
| Best Friends Forever | Peter | Episode: "The Butt Dial" |
| 2012–2013 | Motorcity | Mike Chilton | Voice, 20 episodes |
| 2012–2019 | Veep | Dan Egan | Main role, 65 episodes |
| 2013 | How to Live with Your Parents (For the Rest of Your Life) | Scott | 3 episodes |
| Perception | Dr. Hutchins | Episode: "Neuropositive" |
| 2013–2016 | Turbo FAST | Turbo, Tyler | Voice, main role (52 episodes) |
| 2014 | New Girl | Ted | Episode: "The Last Wedding" |
| 2015 | Zoo | Ethan Boyd | Episode: "First Blood" |
| 2017 | Great News | Jeremy | 3 episodes |
| 2018 | Home: Adventures with Tip & Oh | Shawn | Voice, episode: "Shady Shawn" |
| 2019 | Will & Grace | Marcus | 2 episodes |
| Why Women Kill | Eli Cohen | 10 episodes |
| 2020 | Echo | David | TV pilot |
| 2021 | Archibald's Next Big Thing | Cousin Kip | Voice, episode: "Maximum Overdue/Gator's Giving" |
| Creepshow | Congressman Evan Miller | Episode: "Drug Traffic" |
| Curb Your Enthusiasm | Don Winston Jr. | 2 episodes |
| 2022 | Black-ish | Griffin | 3 episodes |
| The Afterparty | Detective Aldrin Germain | 2 episodes |
| 2022–2023 | The Marvelous Mrs. Maisel | Gordon Ford | 12 episodes |
| 2023–2024 | My Adventures with Superman | Jonathan Kent | Voice, 4 episodes |
| 2023 | American Horror Stories | Will Caswell | Episode: "Daphne" |
| 2023–2024 | Curses! | Alex Vanderhouven | Voice, main role, 17 episodes |
| 2024–present | Law & Order | Det. Vincent Riley | Main role (season 23–present) |
| 2024 | Batman: Caped Crusader | Onomatopoeia | Voice, episode: "Moving Target" |
| 2025 | Bat-Fam | Jim Gordon | Voice, 2 episodes |
