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