Best known to television audiences for his role as ADA Rafael Barba on Law & Order: Special Victims Unit, he is also a distinguished theater actor and Broadway veteran; most notably, he played lead roles in Taboo and the 2006 revival of Company.
He came out as bisexual in 2006.
- Pushing Daisies (2007): Alfredo Aldarisio
- A Gifted Man (2011): Phillip Romero
- Law & Order: Special Victims Unit (2012-2018): ADA Rafael Barba
- Hannibal (2013-2015): Frederick Chilton
- Bojack Horseman (2016-2018): Ralph Stilton (voice)
- Ferdinand (2017): Moreno (voice)
- The Path (2018): Jackson Neill
- Dopesick (2021): Paul Mendelson
- Candy (2022): Don Crowder