Lee Hong-Ki as Choi Kang-joo
A good-looking and educated second-generation chaebol heir. He has a prickly personality, and is self-indulgent and bad at relationships. But Kang-joo is goodhearted underneath it all, and is harboring pain from his childhood.
Yang Jin-sung as Na Doo-rim / Jang Yi-kyung
Na Doo-rim is a sweet, homely girl who comes from a southern island village. Jang Yi-kyung is a chic, cold and calculating woman who wants to marry into the Choi family. Doo-rim and Yi-kyung are doppelgängers.
Sung Hyuk as Jang Yi-hyun
Yi-kyung’s older brother. He is the operations manager of Ohsung Construction.
Jang Ah-young as Lee Roo-mi
An upper-class young woman with looks and brains who went to a prestigious university. Roo-mi becomes Doo-rim’s rival for Kang-joo’s heart.
Nam Jeong-hee as Park Soon-bok
Doo-rim’s grandmother.
Park Jin-joo as Oh Jin-joo
Doo-rim’s childhood friend.
Choi Il-hwa as Choi Il-do
Kang-joo’s father, and CEO of
