- Shin Min-a
- Â Arang Yoon 20 episodes, 2012
- Lee Joon-gi
- Â Eun-oh Lee 20 episodes, 2012
- Yeon Woo-jin
- Â Joo-Wal 20 episodes, 2012
- Han Jeong-su
- Â Moo-yeong (The Angel of Death) 20 episodes, 2012
- Kwon Oh-jung
- Â Dol Swe 20 episodes, 2012
- Hwang Bo-ra
- Â Bang Wool 20 episodes, 2012
- Yoo Seung-ho
- Â King of Heaven 20 episodes, 2012
- Lim Ju-eun
- Â Moo-yeon 20 episodes, 2012
- Kim Kwang-kyu
- Â Lee Bang 20 episodes, 2012
- Park Jun-gyu
- Â King of Underworld 20 episodes, 2012
- Kim Yong-geon
- Â Lord Choi 20 episodes, 2012
- Lee Sang-hoon
- Â Hyung Bang 20 episodes, 2012
- Yun Ju-sang
- Â Lord Kim, Eun-oh's father 4 episodes, 2012
- Im Hyun Shik
- Â Ghost 1 episode, 2012
- Lee Sung-min
- Â The Gatekeepe (uncredited) 1 episode, 2012
- Jeong Bo-seok
- Â Eun-oh's Teacher (uncredited) 1 episode, 2012
