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.
이시강
as Cha Seo-joon
이채영
as Han Yoo-ra
Kang Eun-tak
as Lee Tae-pung / Yoo Min-hyuk
엄현경
as Han Yoo-jung
Kim Jung-don
as Baek Min-won
Oh Chae-eun
as Dong-ho's Kindergarten Teacher
Eru
as Choi Joon-seok
양미경
as Lee Kyung-hye
Seo Woo-jin
as Han Ho-dong / Lee Min-woo
이일화
as Yoon Su-hee / Seo Ji-sook
Chae Bin
as Kang Ye-jin
장태오
as Han Yoo-myeong
