Season 1

Jang Dong-yoon

Lee Doo-hak

Seorina

Oh Jung-jin / Sophia

Choo Young-woo

Choi Cheol-woong

Kim Myung-soo

Lee Joong-ho

Kang Kyung-hun

Kang Yeo Jin

So Hee-jung

Mrs Jung-am

Kang Ji-eun

Cha Geum-ok

Hyun Seung-hee

Ham Yang-ja

Do Sang-woo

Kim Hyung Joo

Jin Yi-han

Oh Man Ok

Im Seung-jun

Wool Peu [Gangster]

Jeon No-min

Hwang Chung Seong

Song Tae-yoon

Kim Kil Soo

Han Jae-yeong

Yeom Kwang Tak

Park Won-sang

Choi Young Sik [Choel Woong's father]

Lee Han-wi

Go Poong Ho

Ahn Jung-hoon

Go Won Geun

Jang Young-hyeon

Yoo Young Pil

Shin Yoon Ha

Lee Jeong Ok [Doo Hak's younger sister]

Lee Kyo-yeob

Son Soo Gong