Kwang-Ho Hong is a South Korean musical-theatre actor who established a leading career in Seoul before joining the West End. He made his West End debut as the original Thuy in the 2014 revival of Miss Saigon at the Prince Edward Theatre, becoming one of the most prominent Korean actors cast in a major London musical. Hong later appeared as Thuy in the filmed 25th-anniversary gala and returned to Korea, where his principal credits include Jekyll & Hyde, The Phantom of the Opera, Death Note, Sweeney Todd, and The Man Who Laughs. His career demonstrates the direct movement of an established Korean musical star into a principal West End role.