Aaron Kyle Tveit (/təˈveɪt/; born October 21, 1983) is an American actor and singer. He is known for originating the roles of Gabe in Next to Normal, Frank Abagnale Jr. in the stage version of Catch Me If You Can, and the role of Christian in Moulin Rouge! The Musical on Broadway. He is also known for his recurring role as Tripp van der Bilt on The CW's teen drama series Gossip Girl, his portrayal of Enjolras in the 2012 film adaptation of Les Misérables, as Mike Warren on the USA Network series Graceland, and as Danny Zuko in Grease Live. Tveit also starred in the CBS series BrainDead as Gareth Ritter.
In 2019, Tveit originated the role of Christian in the stage adaptation of Moulin Rouge! on Broadway.
Tveit was born in Middletown, Orange County, New York, to Posie and Stanley Tveit. His brother, Jon, is five years younger and a Catholic priest in the Archdiocese of New York. His surname is Norwegian. He graduated from Middletown High School in 2001, where he was active both in chorus and sports, playing golf, soccer and basketball; he also performed in all four of his school's theater productions, including starring as Tony in their production of West Side Story. As a child, he played the violin and French horn. He turned down business school scholarships to major in vocal performance at Ithaca College, a decision his parents supported, before switching to musical theater after his first year because he missed acting and theater.