A man has the intelligence of a 7-year-old due to an accident. Han Yoo Jung is a woman with a bright and positive personality. She aspired to become an announcer, but her poor family background made her give up on her dream. She now works hard to support her family. She also lives in atonement for her fraternal twin sister's wrongdoings.
as Cha Seo-joon
as Han Yoo-ra
as Lee Tae-pung / Yoo Min-hyuk
as Han Yoo-jung
as Baek Min-won
as Dong-ho's Kindergarten Teacher
as Choi Joon-seok
as Lee Kyung-hye
as Han Ho-dong / Lee Min-woo
as Yoon Su-hee / Seo Ji-sook
as Kang Ye-jin
as Han Yoo-myeong
as Joo Hwa Yeon [Seo Jun's mother]
as Han Yoo-jung (young)
