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)