David Alvarez

Alvarez is one of the three boys originally cast to play Billy in the Broadway production of Billy Elliot the Musical, along with Trent Kowalik and Kiril Kulish. He needed to study tap, acrobatics, voice and acting for the role and spent July 2007 through March 2008 preparing. Billy Elliot the Musical began performances on October 1, 2008, and Alvarez's first preview performance was on October 2. He played his final performance in the role on January 3, 2010.

Jointly with Kulish and Kowalik, Alvarez won the Tony Award for Best Actor in a Musical, becoming one of the youngest winners of the award. Billy Elliot was nominated for 15 Tony Awards, including Best Musical, and won ten.
Alvarez joined the cast of Billy Elliot: El Musical, a Spanish-language production of the musical in Mexico City. He was cast in the role of "Older Billy", which he played from February 10, 2017, to June 11, 2017.
Alvarez left theater to serve in the US Army. Following a service of two and a half years with the 25th Infantry Division he returned to Broadway, becoming a swing in a 2015 production of On the Town. In 2016 in Mexico, Alvarez danced the role of adult Billy in the dream ballet pas de deux between Billy and his older self.
Since 2021, Alvarez portrays Isaac English in Showtime's television series American Rust.
While attending Case Western Reserve University in Cleveland, Ohio, in 2018, he auditioned for Steven Spielberg's 2021 film version of West Side Story. He plays the role of Bernardo in this adaptation of the musical. He also appeared on film in Blindspot in 2024, and on television in Étoile in 2025.