Cast

Cast

Hyun Bin as Han Tae Woong/Han Deuk Gu



Sung Yu Ri as Kim Bo Ra



Im Ju Hwan as Suh Gun Woo



Yoo In Young as Lee Seung Ri



Extended Cast

Kim Tae Hyun as Choi Choong Shik
Go Doo Shim as Park Yeong Ok (Tae Woong's mother)
Kim Weung Soo as Lee Dong Sul (Seung Ri's father)
Chun Ho Jin as Kim Jang Su (Bo Ra's father)
Oh Mi Hee as Bo Ra's mother
Lee Sun Ho (not Andy Lee from Shinhwa with the same name) as Kim Jeong Kyu
Jang Jung Hee as Go Soon Ja (Bo Ra's house keeper)
Jung Ji Ahn as Park Deuk Nam (Go Soon Ja's daughter)
Go Ju Yun as young Kim Bo Ra
Kim Hak Jin as Ahn Sang Ho
Lee Suh Yun as Hong Ji Hye
Lee Chul Min as Park Dong Pil (boxer)
Park Jin Yung as Jang Park Sa (Bo Ra's doctor)
Choi Duk Moon as Oh Shil Jang
Kim Beol Rae as college math professor
Choi Yeo Jin (cameo)
Jerome To (cameo)