Song Ji-eun, better known mononymously as Jieun, is a South Korean singer and actress best known as a member of the South Korean girl group Secret. Aside from her group's activities, she has released several solo songs and participated in various OSTs. Wikipedia
Wannabe
As Park Ji-min
So I Married an Anti-Fan
As Flight Stewardess That Helps Who Joon
Wish Woosh
As Min Ji Woo
Shh, Please Take Care of Him
As Jeon Seol
Running Man
Immutable Law of First Love
As Lee Yeo Ri
Sweet Home, Sweet Honey
As Oh Bom
The Superman Age
The Man's Voice
As Go Mi Rim
My Secret Romance
As Lee Yoo Mi
Longing for Spring
As Yang Mal Ja
You Hee-yeol's Sketchbook
As Self
SNL Korea
As Herself
SONAMOO's Pet House
Anyway Thirty
As Ju Seo-eun
Infinite Challenge
As Self
The Manager
