The f(x) member has been cast in the role of 'I', the woman who falls in love with Maxim and heals the pain of losing his previous wife Rebecca. Luna has had experience in musicals before 'Rebecca', such as 'Legally Blonde', 'Coyote Ugly', 'High School Musical', and 'In the Heights', and she's been highly praised for her singing and acting in all of her previous works.

SEE ALSO: Actress Kim So Eun writes heartfelt message after death of former 'We Got Married' co-star Song Jae Rim

A rep from 'Rebecca' stated, "The 'I' role controls the flow of acting, and the singing is very difficult so we have always had a difficult time casting the role. However, we were sincerely surprised by Luna's audition attitude, singing ability, and even her acting."

The musical will play from August 10 to November 12.