Donovan played the role of Joshua, the boyfriend of Jennifer Aniston's character, Rachel Green, in a few episodes of season 4 of the sitcom Friends. He played the priest son of a large Irish Catholic family in the short-lived NBC drama Trinity (1998). More recently he has appeared as a guest star in several series such as The Guardian (2001), Mister Sterling (2003), and in the The O.C. (2003), where he appeared as Jimmy Cooper. He has also been the voice of Hercules, titular character of the movie with the same name, the animated TV show, and in the video game Kingdom Hearts II (Sean Astin did the voice of Hercules in the first Kingdom Hearts). He starred on stage with Glenn Fitzgerald in Kenneth Lonergan's Lobby Hero and with Amy Ryan in the L.A. production of Rabbit Hole.

He had a regular gig with an Irish traditional band called The Descendants, with whom he released an album titled "Wake Amusements." He is currently starring in the FX drama "Damages" as Tom Shayes, a partner at the firm of Glenn Close's character, Patty Hewes.

(wikipedia.org)