Kim Young-pil

Ma Dong Seok [Jang Mi and Seo Rin's biological father]

Dae-ho

Oh Hyeon-soo

Kang Man-seok

Heo Ki-jeong

Gyu-ri's Father

Se Dae-ju

Hwang Jae-cheol

Secretary Kim

Kim Kyung-Se

An Tae-Jung

Lee Sang-Yeob

Sung Jong-ik

Neighbor

Han Jung-Hoon

Jin Tae

Joong-heon

Ha-na's Father

Romance Joe

Sun-ho

Wook-joong

Han In-seok

Deputy Lee