[citation needed] He made his Broadway debut in Les Misérables, playing Gavroche.
[2][3] He appeared on Broadway in Beautiful: The Carole King Musical as Barry Mann from January 2014 to February 2016.
[3] He received a nomination for a 2014 Tony Award for Best Featured Actor in a Musical and a nomination for the 2014 Outer Critics Circle Award, Outstanding Featured Actor In A Musical for his portrayal of Barry Mann.
[5] From 2018 to 2019 Spector starred as Sonny Bono in The Cher Show at the Neil Simon Theatre on Broadway.
From September 12, 2023 until August 4, 2024, Spector played King George III in the Broadway musical Hamilton.