What is the nationality of the actor who starred as the character Jesse St. James in the American musical television series "Glee"?
Jonathan Groff Jonathan Drew Groff (born March 26, 1985) is an American actor and singer.
Jesse McCartney Jesse McCartney (born April 9, 1987) is an American singer, songwriter, and actor. McCartney achieved fame in the late 1990s on the daytime drama "All My Children" as JR Chandler. He later joined boy band Dream Street, and eventually branched out into a solo musical career. Additionally, McCartney has appeared on shows such as "", "Summerland", and "Greek." McCartney also is known for lending his voice as Theodore in "Alvin and the Chipmunks" and its sequels, as well as voicing Robin/Nightwing in "Young Justice" and Roxas and Ventus in the video game series "Kingdom Hearts" developed by Square Enix.