Lee Young-ae
Koo Kyung-yi (12 eps)
Kim Hye-jun
Song Yi-kyung / "K" (12 eps)
Kim Hae-sook
Director Yong (12 eps)
Kwak Sun-young
Na Je-hui (12 eps)
Baek Sung-chul
Santa (12 eps)
Cho Hyun-chul
Oh Gyeong-su (12 eps)
Lee Hong-nae
An Geon-uk (12 eps)
Jeong Seok-yong
Mr. Kim (11 eps)
Jung Jong-joon
Je-hui's father (9 eps)
Park Kang-seop
Lee Dae-ho (8 eps)
Bae Hae-seon
Jung Jeong-yeon (6 eps)
Choi Young-jun
Jang Seong-u (6 eps)
Park Ji-bin
Heo Hyeon-tae (6 eps)
Choi Dae-chul
Heo Seong-tae (6 eps)
Kim Kang-hyun
Kim Min-gyu (5 eps)
Park Ye-yeong
Yoon Jae-yeong (4 eps)
Kim Soo-ro
Ko Dam (4 eps)
Kim Ki-cheon
Gardener (2 eps)
Park Ye-ni
Yi-kyung's mother (1 eps)