Tate Buckley Donovan (born September 25, 1963) is an American actor. He is most recently known for his three-season role in the FX drama Damages, as "Tom Shayes." He is also known for his role as "Jimmy Cooper" in the American teen drama television series The O.C.. He has also been the voice of "Hercules," a title character from the 1997 film of the same name, in the animated television series and in the video game Kingdom Hearts II.