Kim You-jung
Gil O-Sol (16 eps)
Yoon Kyun-sang
Jang Sun-Gyeol (16 eps)
Song Jae-rim
Choi Ha-In / Choi Daniel (16 eps)
Yu Seon
Secretary Gwon (16 eps)
Ahn Suk-hwan
CEO Cha (16 eps)
Kim Won-hae
Gil Gong-Tae (16 eps)
Min Do-hee
Min Joo-Yeon (16 eps)
Ko Gun-han
Jeon Young-Sik (16 eps)
Lee Do-hyun
Gil O-Dol (16 eps)
Cha In-Ha
Hwang Jae-min (16 eps)
Bae Yoon-kyung
Eun-Hee (16 eps)
Choi Yoo-song
Bodhisattva Wang (16 eps)
Lee Kyu-sub
[Thug in parking lot car wash area] (16 eps)
Yang Hak-jin
Lee Dong Hyun (16 eps)
Choi Yu-ri
Gil Oh-Sol [Child] (16 eps)
Son Byung-ho
President Yang (16 eps)
Jung Ji-hoon
Jang Sun Gyeol [Young] (16 eps)
Kim Hye-eun
Cha Mae Hwa (16 eps)
Kim Ki-nam
Secretary Kim (16 eps)
Kim Jung-young
Kim Geum Ja (16 eps)
Koo Ja-geon
[Oh Dol's friend] (16 eps)
Son Sang-yeon
Jang Sun Gyeol [Teen] (16 eps)
Park Kyung-hye
[Ha In's patient] (3 eps)
Kim Kang-hoon
Ye Joon [Secretary Gwon's son] (3 eps)
Jeong Jae-seong
[Oh Sol’s boss] (1 eps)
Park Ah-in
Lee Young Eun [Office lady] (1 eps)
Park Yong
[Gil Oh Sol's job interview attempt] (1 eps)
Seo Wang-suk
[Gil Oh Sol's job interview attempt] (1 eps)
Jang Tae-min
[Detective] (1 eps)
Kim Han-jong
[Client/Sexual Offender] (1 eps)
Shin So-yul
[Hotel receptionist] (1 eps)