I Am the King (, also known as I Am a King) is a 2012 South Korean historical comedy film, starring Ju Ji-hoon, Park Yeong-gyu, Baek Yoon-sik, Byun Hee-bong and Kim Su-ro.
 Inspired by Mark Twain's novel "The Prince and the Pauper", the film is set in the Joseon Dynasty with Ju playing the dual role of a king and a beggar.
 It was released on August 8, 2012 and ran for 120 minutes.
Seo Ji-hye (; born August 24, 1984) is a South Korean actress.
 After first attracting attention in the horror film "Voice", Seo has since starred in numerous television dramas, notably "Shin Don" (2005), "Over the Rainbow" (2006), "I Love You" (2008), "Chunja's Happy Events" (2008), "49 Days" (2011), and "The Moon and Stars for You" (2012).
Julie Kagawa (born October 12, 1982) is an American author, best known for writing The Iron Fey Series consisting of four books: "The Iron King", "The Iron Daughter", "The Iron Queen", and "The Iron Knight".
Big Bang (; lit.
 "I'll Shoot") is a 2007 South Korean action-comedy film written and directed by Park Jung-woo, and starring Kam Woo-sung and Kim Su-ro.
Master of Study (; lit.
 "God of Study", "Lord of Study") is a South Korean television series that aired on KBS2 from January 4 to February 23, 2010 on Mondays and Tuesdays at 21:55 for 16 episodes.
 It starred Kim Su-ro, Bae Doona, Oh Yoon-ah, Yoo Seung-ho, Go Ah-sung, Lee Hyun-woo, Park Ji-yeon,
Kim Su-ro, The Iron King () is a 2010 South Korean television series on the life of Suro of Geumgwan Gaya, starring Ji Sung, Bae Jong-ok, Yu Oh-seong, Seo Ji-hye, Go Joo-won, Kang Byul and Lee Pil-mo.
 It aired on MBC from May 29 to September 18, 2010 on Saturdays and Sundays at 21:45 for 32 episodes.
Go Joo-won (born Go Young-chul on October 16, 1981) is a South Korean actor.
 He made his acting debut in the 2003 boxing series "Punch", followed by a supporting role in the revenge-themed "Resurrection" (2005).
 In 2006, Go became a household name after appearing in the popular family dramas "Bizarre Bunch" and "Famous Chil Princesses".
 He then played historical figures in two period dramas—King Seongjong of Joseon in "The King and I" (2007), and Ijinashi, the first king of Daegaya in "Kim Su-ro, The Iron King" (2010).
 Go also starred in the medical drama "OB/GYN" (also known as "Obstetrics and Gynecology Doctors", 2010), and another family drama "You're the Best, Lee Soon-shin" (2013).
A Gentleman's Dignity () is a 2012 South Korean romantic comedy television series starring Jang Dong-gun, Kim Ha-neul, Kim Min-jong, Kim Su-ro, and Lee Jong-hyuk.
 It aired on SBS from May 26 to August 12, 2012 on Saturdays and Sundays at 21:55 for 20 episodes.
Chae Bin (born Kim Chae-bin on August 22, 1997) is a South Korean actress.
 Known as the second Moon Geun-young due to her maturity and consistent acting, Chae first drew viewer's attention for her performance in the television series "Kim Su-ro, The Iron King" (2010).
Our School's E.T. () is a 2008 South Korean comedy-drama film directed by Park Kwang-chun (also known as K.C. Park).
 It stars Kim Su-ro as an unconventional, "alien-like" high school P.E. teacher whose position is put at stake when the school adopts a new policy to boost English education, so he decides that becoming an English teacher (E.T.) overnight is his only hope.

Question: which actress who starred in "Over the rainbow" also starred in Kim Su-ro, The Iron King"?
Answer: Seo Ji-hye