Hyun Bin
Goo Seo-jin / Robin
Koo Seo-Jin (Hyun-Bin) has two different personalities. One of his personalities is cold like Hyde and the other is sweet like Jekyll. He works as the director of theme park Wonderland. Jang Ha-Na (Han Ji-Min) works as the master and actress of a circus at Wonderland. Koo Seo-Jin tries to kick the circus out of Wonderland and Jang Ha-Na reorganizes the circus to stay. In the process, Jang Ha-Na falls in love with Koo Seo-Jin.
Haideu, Jikil, na
Goo Seo-jin / Robin
Jang Ha-na
Yoon Tae-joo
Min Woo-jeong
Gwon Young-chan
Ryu Seung-yeon
Dr. Kang Hee-ae
Chairman Goo Myeong-han
Han Joo-hee
Seong Seok-won
Choi Seo-hee
Detective Na Moo-jin
Lee Eun-chang
Cha Jin-joo
CEO Min
Park Hee-bong
Robin (Young)
Jang Ha-na (Child)
Jang Ha-na (Young)
Director Kim
