Han Sun-hwa (Korean: 한선화; born October 6, 1990), also known mononymously as Sunhwa, is a South Korean actress and singer. She is a former member of the South Korean girl group Secret. She made her television debut in 2004 while participating in SBS' Superstar Survival as a finalist, and in 2009, she was a regular cast member on a variety show called Invincible Youth. Aside from music, she also ventured into acting. Some of her notable works include Marriage, Not Dating (2014), Work Later, Drink Now (2021–2023), A Letter from Kyoto (2022), My Sweet Mobster (2024), Teaching Practice: Idiot Girls and School Ghost 2 (2025), and We Are All Trying Here (2026).
Han Sun-hwa was born on October 6, 1990, in Buk District, Busan, South Korea. She has one younger sister and one younger brother, Han Seung-woo. Han's mother gave birth to her at the young age of 20. As the eldest child, she took care of her younger siblings by cooking them food and tutoring them when both of their parents had to work. During the East Asian Financial Crisis in 1998, Han's family struggled and recalled that her dream of being an entertainer was getting dim.
Creative interests and primary education
Ever since she was young, Han had an interest in art and had always dreamed of becoming an artist. She took after-school art programs in elementary school and managed to win several awards from various art competitions. However, after seeing one of BoA's performances on television, she realized her dream was singing and dancing.
2004–2008: Career beginnings, higher education and challenges
Since then, Han began auditioning for various recording companies; she entered the S.M. Entertainment Youth Trainee Program but was eliminated. In 2004, Han started auditioning at companies besides singing competitions. In 2005, she became a finalist on a talent show called Superstar Survival along with 2PM's Taecyeon, Lee Junho and Chansung. During the show, Han received vocal and acting training; however, she was eliminated in the fifth episode and went back to Busan.
Following her setback, Han went back to being an ordinary high school student. She was later admitted to the Department of Musical Theatre at the Paekche Institute of the Arts. A few days before the college entrance ceremony, an agent who had seen her in Superstar Survival contacted her, and she later became a trainee at TS Entertainment. As a trainee, she struggled to balance her education with her demanding training schedule, eventually taking an extended leave of absence from the university.
2009–2013: Secret, Invincible Youth, acting debut and rising popularity
In October 2009, Han, along with Jung Ha-na, Song Ji-eun and Jun Hyo-seong, debuted in the group Secret; prior to their debut, the group was on a documentary show called Secret Story which chronicled their debut process. In the same month, Han was chosen as a regular cast member of a South Korean variety show called Invincible Youth; the news that a girl group member who hadn't debuted yet would be selected for a variety program caused a huge sensation.
Secret released their debut single "I Want You Back" in October 2009. In April 2010, they released their first mini album entitled Secret Time which spawned the hit single "Magic" and served as their breakthrough song in South Korea. The same year, Han made a cameo appearance in the sitcom More Charming by the Day. On December 28, 2010, she made another cameo appearance in MBC's daily sitcom, All My Love for You playing Gain's old college friend. Later, she appeared in a supporting role in the workplace drama Ad Genius Lee Tae-baek, which she described as her “first acting challenge”.
While portraying the variety-show role/image crafted by TS Entertainment to promote the agency and Secret, Han also gained recognition for her activities in modeling and acting. In 2011, she was listed by CNN International Seoul as one of the nine rising 'It' stars in Korean entertainment, highlighting her versatility across modeling and acting.
In 2012, for the year end SBS Gayo Daejeon show, SBS created four idol super groups, a fan vote placed Han into the group designated Mystic White, the group working with producer Kim Do-hoon, created the song "Mermaid Princess" the profits of which was donated to charity.
2014–2020: Acting roles and group departure
In 2014, Han got her first television lead role in the MBC weekend drama Rosy Lovers alongside actor Lee Jang-woo. The same year, her performance in tvN romance drama, Marriage, Not Dating earned her a nomination for Best Young Actress at the 16th Seoul International Youth Film Festival. She also won two best new actress awards from MBC and SBS Drama Awards for her roles in Rosy Lovers and fantasy thriller God's Gift: 14 Days.
It was confirmed on September 26, 2016, that Han had not renewed her contract with TS Entertainment and would leave the company in October. On October 17, 2016, Huayi Brothers announced through an official statement that it had signed an exclusive contract with Han.
In 2017, Han starred in the office comedy series Radiant Office, as well as teen drama School 2017. In 2018, Sunhwa was cast in MBC weekend drama My Contracted Husband, Mr. Oh.
On March 13, 2020, KeyEast announced that it had signed an exclusive contract with Han. Later, she joined the main cast of the romantic-comedy drama, Backstreet Rookie, adapted from the webtoon of the same name. She played the male lead's girlfriend and former boss, and the Public Relations team leader at the convenience store headquarters. In July 2020, she confirmed her appearance in the JTBC drama Undercover, the Korean remake of 2016 BBC miniseries of the same name, as young Choi Yeon-soo, who later becomes the wife of the younger version of the male lead (played by actor Yeon Woo-jin).
2021–present: Acting breakthrough and subsequent roles