Stephanie Jae Park is a Korean-American musical-theatre performer born and raised in Guam by Korean parents. She made her Broadway debut in the 2015 revival of The King and I as an original swing, later taking over ensemble tracks and understudying Tuptim. Her subsequent Broadway credits include the original casts of Allegiance and War Paint. Park became particularly recognized through Hamilton, where she covered the principal Schuyler sisters and performed as Eliza Hamilton on Broadway and on tour. In August 2026, she joined SIX on Broadway as Catherine Parr. Her career reflects both her Korean-American heritage and a professional path shaped by Guam, the continental United States, touring productions, and Broadway.