Park In-hwan
Sim Deok-chul (12 eps)
Song Kang
Lee Chae-rok (12 eps)
Na Moon-hee
Choi Hae-nam (12 eps)
Hong Seung-hee
Sim Eun-ho (12 eps)
Kim Tae-hun
Ki Seung-joo (12 eps)
Kim Soo-jin
Sim Seong-suk (12 eps)
Yoon Ji-hye
Eun So-ri (12 eps)
Lee So-yeong
Yoo An-na (12 eps)
Jung Hae-kyun
Sim Seong-san (12 eps)
Jo Bok-rae
Sim Seong-gwan (12 eps)
Shin Eun-jung
Kim Ae-ran (12 eps)
Jung Hee-tae
Young-il (12 eps)
Cho Seong-ha
Lee Moo-young (12 eps)
Kim Hyeon-mok
Kim Se-jong (12 eps)
Kim Kwon
Yang Ho-bum (12 eps)
Baek Seung-chul
Han Cheol (2 eps)
Han Chang-min
Shim Deok-Chul [Child] (2 eps)
Jeong Jae-seong
Deok Chul's father (2 eps)
Lee Hyun-kyun
Shim Deok-Chul [Young] (2 eps)
Seo In-guk
Hwang Hee (1 eps)
Lee Seo-bin
Kim Min-hee (1 eps)
Lee Young-suk
Lee Gyo-Seok (1 eps)
Lee Mun-Su
Deok Chul's friend (1 eps)
Kim Ki-cheon
Deok Chul's friend (1 eps)
Jeong Gyu-su
Deok Chul's friend (1 eps)
Kim Tae-Hoon
Mailman (1 eps)
Kim Ki-nam
Park Jung-Seo (1 eps)
Lee Dong-yong
Chinese restaurant owner (1 eps)
Bae Seong-il
Customer (1 eps)
Kim Mi-ra
Flower shop owner (1 eps)
Joo Bo-bi
Choi Hae-Nam [Young] (1 eps)
Kim Ji-Hoon
Shim Seong-San [Child] (1 eps)
Park Joon-Sang
HQ employee (1 eps)
Kim Byung-Cheol
Radio program staff (1 eps)
Kim Gyeong-min
Mr. Yoon (1 eps)
Hwang Sang-kyung
Kim Heung-Shik (1 eps)
Joo Suk-je
Doctor (1 eps)
Kim Seong-yong
Realtor (1 eps)
Lee Jae-Eun
Neighborhood woman (1 eps)
Lee Yun-sang
Kwon Byung-Wook (1 eps)
Cha Sung-je
Shim Seong-San [Young] (1 eps)
Yoon Tae-Soo
Aquarium employee (1 eps)
Go Gyu-pil
Prospective student (1 eps)
Oh Jae-woong
Chae Rok's ballet friend (1 eps)
Kim Hyun Tae
Rude customer at restaurant (1 eps)