Justin David Sullivan is a Korean- and Mexican-American actor, singer, and artist who identifies as trans nonbinary. They made their Broadway debut in 2022 as May in the original Broadway cast of & Juliet at the Stephen Sondheim Theatre. The role presents a nonbinary character as a central member of the musical’s ensemble with a fully developed romantic storyline, making Sullivan’s performance especially significant for gender-diverse representation in commercial musical theatre. Sullivan also drew national attention by declining consideration in the gendered acting categories of the Tony Awards. Their inclusion in this database reflects both their Korean heritage and their contribution to a more expansive understanding of Korean-diaspora representation on Broadway.