Song Joong-ki
Vincenzo Cassano / Park Joo-hyung (20 eps)
Jeon Yeo-been
Hong Cha-young (20 eps)
Ok Taec-yeon
Jang Joon-woo / Jang Han-seok (20 eps)
Kwak Dong-yeon
Jang Han-seo (20 eps)
Yoo Jae-myung
Hong Yu-chan (20 eps)
Kim Yeo-jin
Choi Myung-hee (20 eps)
Jo Han-chul
Han Seung-hyuk (20 eps)
Lee Hang-na
Kwak Hee-soo (20 eps)
Choi Deok-moon
Tak Hong-sik (20 eps)
Kim Hyeong-mook
Chef Toto (20 eps)
Yang Kyung-won
Lee Cheol-wook (20 eps)
Yoon Byung-hee
Nam Joo-sung (20 eps)
Kim Seol-jin
Larry Kang (20 eps)
Lim Cheol-soo
An Gi-seok (20 eps)
Seo Ye-hwa
Jang Yeon-jin (20 eps)
Kim Yoon-hye
Seo Mi-ri (20 eps)
Kim Young-woong
Park Seok-do (20 eps)
Choi Young-jun
Cho Yeong-un (20 eps)
Kang Chae-min
Kim Young-ho (20 eps)
Yun Bok-in
Oh Gyeong-ja (20 eps)
Jung Ji-yoon
Yang Joo-eun (20 eps)
Kim Woo Jin
Paramedic (20 eps)
Kwon Seung-woo
Chae-shin (20 eps)
Ri Woo-jin
Jeok-ha (20 eps)
Kwon Tae-won
Tae Jong-gu (20 eps)
Lee Dal
Jun Soo-nam (20 eps)
Seo Jin-won
Hwang Jin-tae (20 eps)
Hwang Tae-kwang
Seo Woong-ho (20 eps)
Lee Do-guk
Hwang-gyu (20 eps)
Kim Tae-Hoon
Pyo Hyeok-pil (20 eps)
Na Chul
Na Deok-jin (20 eps)
Jung Wook-jin
Seon-ho (20 eps)
Hong Seo-jun
Gil Jong-moon (20 eps)
Kim Geun-Hwan
Chairman Jang's Assistant (20 eps)
Ko Sang-ho
Jung In-guk (8 eps)
Cha Soon-bae
Judge Heo (3 eps)
Ahn Chang-hwan
Gilbert [Homeless man] (3 eps)
Im Jae-geun
[Pharmaceutical researcher] (2 eps)
Kim Jin-Yi
[Past client] (2 eps)
Kim Eun-seok
[Past client] (2 eps)
Kim Keum-soon
[Past client] (2 eps)
Guk Joong-woong
[Past client] (2 eps)
Lee Kyu-sub
Kang Ho Chul [Prisoner] (2 eps)
Go Han-min
[Reporter] (2 eps)
Lee So-Geum
[Reporter] (2 eps)
Kang Hak-soo
[Babel Chemicals plaintiff] (2 eps)
Sim Woo-sung
Lee U Yeong (2 eps)
Kang Suk-won
[Babel Chemicals team leader] (2 eps)
Lee Kyung-oh
[Director] (2 eps)
Yoo Young-bok
Jang Guk Han [Chairman] (2 eps)
Lee Ji-Young
[Courtroom staff] (2 eps)
Jeon Woon-jong
[Detective] (2 eps)
Han Seung-Yun
[Detective] (2 eps)
Kim Sung-cheol
Hwang Min Sung [CEO of Shinkwang Bank] (2 eps)
Jeon Guk-hyang
Seo Yeong Sun [Shinkwang Finance chairwoman] (2 eps)
Kim Byung-Cheol
[Prosecutor] (2 eps)
Heo Seon-haeng
[Assemblyman] (2 eps)
Lee Jong-yoon
[TV news host] (2 eps)
Lee Hye-jung
Jung Do Hee [Director] (2 eps)
Oh Seung-Chan
[Ragusang Gallery security chief] (2 eps)
Yoo Byung-soo
[Stenographer 2] (2 eps)
Kim Min-Su
[Youtuber] (2 eps)
Kim Jin-Sub
[Reporter] (2 eps)
Jin Sung-min
[Prosecutor team] (2 eps)
Ahn Yeon-Ji
[Drunk woman] (2 eps)
Jeon Jin-oh
Park Chan Ki (2 eps)
Jeon Jin-gi
Oh Jung Bae [CEO of Daechang Daily] (2 eps)
Na Mi-Hee
Cho Yeong-Un's Wife (1 eps)
Lee Kyung-young
Park Seung-joon [Presidential candidate] (1 eps)
Shin Dong Hoon
[Security personnel] (1 eps)
Jin Sun-kyu
Kim Jong Man [Chauffeur] (1 eps)
Son Seon-Geun
[Judge] (1 eps)
Andreas Fronk
[Assassin] (1 eps)
Lee Hee-jun
[Criminal] (1 eps)
Lee Se-Wook
[Prosecutor] (1 eps)
Jeong Sun-won
[Police officer] (1 eps)
Kim Sang-wook
[Courtroom spectator] (1 eps)
Yang Seung-geol
Park Dae Jin [Minister] (1 eps)
Ki Hwan
[HBN reporter] (1 eps)
Lim Jung-min
[Chairman Jang's assistant] (1 eps)
Seol Chang-hee
[Villa detective] (1 eps)
Oh Ki-hwan
[Villa detective] (1 eps)
Kim Wang-geun
Chun Il Su (1 eps)
Shin Seung-hwan
So Hyun Woo [Lawyer] (1 eps)
Jung Young-ju
[Attorney] (1 eps)
Kim Si-woo
Vincenzo Cassano / Park Joo Hyung [Young] (1 eps)
Yoo Soo-Yang
[Food blogger] (1 eps)
Lee So-Mi
[Food blogger] (1 eps)
Seo Chae-Mi
Seo Min Hui (1 eps)
Hong Seok-yeon
[Cheol Wook's uncle] (1 eps)
Yoo Yeon
Kim Yeo Won (1 eps)
Kang Chan
[Tailor] (1 eps)
Kim Byung-ji
[Youth soccer coach] (1 eps)
Kim Seong-yong
[Babel Chemicals employee] (1 eps)
Choi Young-min
[Detective] (1 eps)
Lim Chae-mu
[Ferris wheel attendant] (1 eps)
Seo Min-Sung
[Junior managing director] (1 eps)
Myung Jae-Hwan
Kim Sang Yun (1 eps)
Jeon Jun-woo
[Prosecutor team] (1 eps)
Kim Won-suk
[Administrative HQ man] (1 eps)
Kim Gyeong-min
Mr. Lee [Union leader] (1 eps)
Nichkhun Horvejkul
[UCN drama actor] (1 eps)
Hwang Chan-seong
[UCN drama actor] (1 eps)
Yoon Kyung-ho
Nam Sin Bae [Team leader] (1 eps)
Geum Gwang-san
Keum Gwang Jin (1 eps)
Joey Albright
George Anderson [Museum rental customer] (1 eps)
Moon Seong-hyun
Jang Han Seok [Teen] (1 eps)
Yoon Seo-Yeon
Jung Seung Min (1 eps)
Jung Ja-Young
[Babel E&C victims' group treasurer] (1 eps)
Min Chul Park
[Anchorman] (1 eps)
Yeon Je-Hun
[Locksmith] (1 eps)
Jo Young-mi
[Babel Chemicals plaintiff] (1 eps)
Jeong Seo-yeon
[Babel Chemicals plaintiff] (1 eps)
Paul Battle
[Expert witness] (1 eps)
Park Si-Hyun
[Babel Chemicals researcher] (1 eps)
Kang Chung-hun
[Reporter] (1 eps)
Shim Hye-Rim
[Babel Group receptionist] (1 eps)
Jo Jung Joo
Hwang Suk Jin (1 eps)
Park Byung-wook
Professor Kim (1 eps)
Joo Seung-Do
[Man looking for Babel treasurer] (1 eps)
Yuk Hyun Suk
[Security guard] (1 eps)
Im Sung-jae
Shaman Biryu (1 eps)
Lim Ji-Min
[In Guk's wife] (1 eps)
Shin Seo Hyun
[Nurse] (1 eps)
Yoo Tae-woong
Director Kim [Seung Joon's secretary] (1 eps)
Maeng Bong-hak
Kim Uk Hyeon [Assemblyman] (1 eps)
Kim Hye-jung
[District chief] (1 eps)
Park Yoo-Ra
[YSN anchorwoman] (1 eps)
Kim Tae-Hoon
[Detective] (1 eps)
Seo Yeon-woo
[Student] (1 eps)
Kim Joo-ah
[Vineyard woman] (1 eps)
Park Gang-To
Babel employee (1 eps)
Josh Newton
Mr.Johnson (1 eps)