Joo Won
Hwang Dae Myung / "Skunk"
Main Role
Lee Joo Woo
Choi Min Woo
Main Role
Jo Han Chul
Jung Tae In
Main Role
Kim Jae Won
Shin Chang Hoon
Main Role
Choi Hwa Jung
Lee Chun Ja
Main Role
Lee Deok Hwa
Kim Young Soo
Main Role

Kim Jae Chul
Jo Hin Dal
Support Role
Choi Jung Woo
Dr. Go
Support Role
Choi Seol
Jin Ae Ri
Support Role
Kim Ha Won
Han Young Ae [Young Soo's secretary]
Support Role
Jung Eun Pyo
Choi Song Cheol
Support Role
Jang Gwang
Chairman Yang
Support Role
Lee Seol A
Ahn Yeon Ji
Support Role
Jung Min Joon
Ahn Yeon Seok
Support Role

Lee Sang Joon
"Catfish" / "Bat" [Song Cheol's underling] (Ep. 1)
Guest Role
Park Kwi Soon
[Monk] (Ep. 1)
Guest Role
Koo Min Hyuk
[Artifact owner] (Ep. 1)
Guest Role
Yoon Bok Sung
[Expert panelist] (Ep. 1)
Guest Role
Wang Jong Geun
[TV show host] (Ep. 1)
Guest Role
Park Jong Bo
[Treasure buyer] (Ep. 1)
Guest Role
Jeon Jin Oh
Kim Young Chan (Ep. 1-2)
Guest Role
Jung Han Bit
Baek Jang Mi (Ep. 2)
Guest Role
Kim In Kwon
Detective Park (Ep. 2)
Guest Role
Choi Hwa Young
[Diner] (Ep. 2)
Guest Role
Hong Dae Sung
[Detective] (Ep. 2)
Guest Role
Lee Dong Kyu
[Anchor] (Ep. 2, 7)
Guest Role
Lee Ah Jin
[Dae Myung's mother] (Ep. 2, 10)
Guest Role
Kim Young Jae
[Dae Myung’s father] (Ep. 2, 5, 10-11)
Guest Role
Jang Jae Ha
Hwang Dae Myung [Child] (Ep. 2, 10-11)
Guest Role
Kim Hak Chul
Wang In Chul [Chairman] (Ep. 3)
Guest Role
Kwon Hyuk Soo
[Cultural heritage administration director] (Ep. 3)
Guest Role
Park Byung Wook
Kim Yong Seok (Ep. 3-4, 12)
Guest Role
Lee Doo Suk
Baek Yul Ho [CEO] (Ep. 3-4, 11-12)
Guest Role
Seo Jin Wook
Lee Chang Soo [Assemblyman] (Ep. 3-4, 11)
Guest Role
Min Eung Shik
Joo Hwi Kwan [Assemblyman] (Ep. 3-4, 11-12)
Guest Role
Park Yong
Min Hak Soo (Ep. 3, 6, 9)
Guest Role
Park Sil Rim
[Cultural heritage administration staff] (Ep. 3, 9)
Guest Role
Jun Joon Woo
[Cultural heritage administration staff] (Ep. 3, 9)
Guest Role
Jung Ki Sun
[Farmer] (Ep. 4)
Guest Role
Cho Seok In
[Scammer] (Ep. 4)
Guest Role
Yoo Sung Min
Jo Huin Dal [Young] (Ep. 4, 8)
Guest Role
Kim Sa Rang
Jo Hwa Yeon [Young] (Ep. 4, 8, 12)
Guest Role
Shin Yeon Suk
[Nun] (Ep. 4, 7)
Guest Role
Shim Jin Hwa
Shim Mi Young (Ep. 5)
Guest Role
Kim Won Hyo
Kim Young Bae (Ep. 5)
Guest Role
Yoon Joon Woo
Kim Young Soo [Young] (Ep. 5)
Guest Role
Kim Jung Moon
[Investor] (Ep. 5)
Guest Role
Park Seung Tae
[Investor] (Ep. 5)
Guest Role
Bae Hyun Kyung
[Yeong Su's father] (Ep. 5)
Guest Role
Jang Tae Min
[Korean independence activist] (Ep. 5)
Guest Role
Ha Min
Vivian (Ep. 5, 8)
Guest Role
Lee Ja Ryoung
Dr. Min (Ep. 5, 12)
Guest Role
Son Seon Geun
Yoo Kyung Hwan [Advisor] (Ep. 5, 11)
Guest Role
Sim Hyun Seo
Hwang Dae Myung [Young] (Ep. 5, 10-11)
Guest Role
Yook Mi Ra
Director Park [Orphanage director] (Ep. 5, 12)
Guest Role
Song Jae Hee
Jang Chun Fung (Ep. 6)
Guest Role
Seon Yool Woo
[Triad member] (Ep. 6)
Guest Role
Kim Jong Goo
[Huin Dal's adoptive dad] (Ep. 7)
Guest Role
Lee Ju Young
Jo Huin Dal [Child] (Ep. 7)
Guest Role
Ahn Soo Ho
[Joseon state seal donor] (Ep. 7)
Guest Role
Oh Jin Ha
Yuki / Jo Hwa Yeon (Ep. 8)
Guest Role
Park Soo Jin
[Spa staff] (Ep. 8)
Guest Role
Oh Tae Eun
[Cleaning lady] (Ep. 8)
Guest Role
Kang Ji Gu
[Crime scene investigator] (Ep. 8)
Guest Role
Lee Tae Hee
Shota (Ep. 9, 11-12)
Guest Role
Hwang In Joon
Im Ju Sung (Ep. 10)
Guest Role
Jang Joon Ho
[Detective] (Ep. 10)
Guest Role
Lee Yoon Sang
Han Ki Hwan [Commissioner] (Ep. 10, 12)
Guest Role
Han Dong Won
[Detective] (Ep. 11)
Guest Role
Ji Sung Geun
[Civil servant] (Ep. 11)
Guest Role
Jeong Yu Hyun
[Young Soo's security staff] (Ep. 11)
Guest Role
Park Seong Kyun
Han Woo Sik (Ep. 12)
Guest Role