Gained fame as Glee's openly gay Kurt Hummel, a role for which he won the Golden Globe Award for Best Supporting Actor in 2011. He's also the author behind the Land of Stories series.
At Clovis East High School, he dominated speech and debate championships, actively contributed to the drama club, and served as the editor of his school's literary magazine.
In 2009, he starred as Russel Fish in the short film Russel Fish: The Sausage and Eggs Incident and in 2012, he played Ryan Kendall in "8" the Play.
He began acting alongside Dianna Agron and the cast of Glee in 2009.