Filmography39 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2026 | The BeautySeries | Scientist | 55 |
| 2026 | Star Trek: LegendenSeries | Self - Paul Stamets | 55 |
| 2026 | Rent: 30th Anniversary ConcertMovie | — | 55 |
| 2021 | 25 Years of Rent: Measured in LoveMovie | — | 50 |
| 2020 | EqualSeries | Harry Hay | 49 |
| 2020 | Elegies for Angels, Punks and Raging QueensMovie | Miles | 49 |
| 2019 | The Ready RoomSeries | Self | 48 |
| 2019 | RentMovie | Self | 48 |
| 2019 | The X Change RateSeries | Self - Special Guest | 48 |
| 2017 | The Good FightSeries | Glenn | 46 |
| 2017 | Carpool Karaoke: The SeriesSeries | Self | 46 |
| 2017 | Star Trek: DiscoverySeries | Paul Stamets | 46 |
| 2017 | After TrekSeries | — | 46 |
| 2017 | Do You Take This ManMovie | Daniel | 46 |
| 2016 | BwoyMovie | Brad | 45 |
| 2008 | Rent: Filmed Live on BroadwayMovie | Himself (uncredited) | 37 |
| 2006 | PsychSeries | Zachary Zander | 35 |
| 2006 | Danny Roane: First Time DirectorMovie | Self | 35 |
| 2006 | Winter PassingMovie | Dean | 35 |
| 2006 | KidnappedSeries | — | 35 |
| 2005 | RentMovie | Mark Cohen | 34 |
| 2004 | The Tony Danza ShowSeries | Self | 33 |
| 2004 | Open HouseMovie | Barry Farnsworth | 33 |
| 2002 | ParadiscoMovie | L'ami américain | 31 |
| 2001 | A Beautiful MindMovie | Bender | 30 |
| 2001 | Cruise ControlMovie | Mirror Man | 30 |
| 2000 | Road TripMovie | Jacob | 29 |
| 1999 | Law & Order: Special Victims UnitSeries | Nathan Forrester | 28 |
| 1996 | Spin CitySeries | Anthony Rapp | 25 |
| 1996 | TwisterMovie | Tony | 25 |
| 1996 | The Rosie O'Donnell ShowSeries | Self - Cast of Rent | 25 |
| 1993 | The X-FilesSeries | Jeff Glaser | 22 |
| 1993 | Dazed and ConfusedMovie | Tony | 22 |
| 1993 | Six Degrees of SeparationMovie | Ben | 22 |
| 1992 | School TiesMovie | McGoo | 21 |
| 1990 | Sky HighMovie | Wes Hansen | 19 |
| 1989 | Grave SecretsMovie | Jamie | 18 |
| 1988 | LIVE with Kelly and MarkSeries | Self | 17 |
| 1987 | Adventures in BabysittingMovie | Daryl Coopersmith | 16 |