Cast 17
Kim Ha-neul
Oh Wan-soo (10 episodes)
Rain
Seo Do-yoon (10 episodes)
Jung Gyu-woon
Kim Yong-kook (10 episodes)
Seo Yi-sook
Park Mi-ran (10 episodes)
Yoon Je-moon
Han Sang-il (10 episodes)
Ki Eun-se
Jang Tae-ra (10 episodes)
Go Yoon
Yong Min (10 episodes)
Kim Young-pil
Oh Hyeon-soo (10 episodes)
Kim Yun-jee
Seo Ji-yeon (10 episodes)
Cho Won-hee
Kim Du-o (10 episodes)
Shin Soo-jung
Secretary Yun (Wan-soo’s secretary) (10 episodes)
Hwang Tae-kwang
Park Kyeong-ju (Hwain family's head security) (10 episodes)
Park Hyun-suk
Byeon Kkoch-bun (Hwain family's head butler) (10 episodes)
LS
Lee Seol-Hee
Park Ji-eun (Hwain family's maid) (10 episodes)
Woo Sang-hee
Kim So-dam (Hwain family's maid) (10 episodes)
Jung Joo-yeon
Lee Jin / "Q1" (Wan-soo's driver) (10 episodes)
Fila Lee
Lee Gyung-suk (Hwain family's maid) (10 episodes)