Oh Seung-ah

Oh Seung-ah (born September 13, 1988), is a South Korean actress and singer. She is a former member of the girl group Rainbow. She is best known for her role in The Second Husband (2021–2022), which gained her the title of "Serial Villain".

Early life
Oh was born on September 13, 1988, in Seoul, South Korea. She has attended Changduk Girls' High School and Sangmyung University. Oh was given the choice to debut with Kara or Rainbow, but she chose Rainbow because she was friends with some of the members before debuting.

2011–2016: Career with Rainbow
After becoming a member of Rainbow, she also focused on acting. She was a member of the group until its disbandment in 2016.

2017–present: Acting career
She then started acting and starred in A Sea of Her Own, for which she was nominated for Excellence Award, Actress in a Daily Drama in 2017. She also starred in Grand Prince as a supporting role, for which she was praised by fans. In 2018 she played a protagonist villain role in Secrets and Lies for which she won the Best Actress award. In 2019 she was the Ambassador of Happy Angel. She was praised for her acting by playing a villainess role in Bad Love.

In 2021, Oh starred in the melodrama series The Second Husband as the main villain of the series playing the role of Yoon Jae-kyeong. In April 2021, Oh signed with Starhue Entertainment. In 2022, Oh returned to the small screen again as Kang Ba-da, the ruthless chaebol of Le Blanc and the lead villain of Vengeance of the Bride.

Ambassadorship

 * Public Relations Ambassador for 'The Miracle of 119 Won (2021)