Kim Youngho / John Kim (16 Episodes)

Kang Jooeun (16 Episodes)

Im Wooshik (16 Episodes)

Oh Soojin (16 Episodes)

Jang Joonseong (16 Episodes)

Kim Jiwoong (16 Episodes)

Chairman Lee Hongim (16 Episodes)

Director Kim Seongcheol (16 Episodes)

Min Byeongwook (16 Episodes)

Choi Hyeran (16 Episodes)

Choi Namcheol (16 Episodes)

Lee Hyeonwoo (16 Episodes)

Kwon Okboon (16 Episodes)

Jang Yijin (16 Episodes)

Kim Youngjoon (16 Episodes)

Go Minjoon (16 Episodes)

PD Go (16 Episodes)

Je Soonja (16 Episodes)

Jo Hyeonjeong (16 Episodes)

Soojin's Gapjil (16 Episodes)

Seo Jinyeon (16 Episodes)

Yi Jin's manager (5 Episodes)

Guntu law firm's president (3 Episodes)

Eun Joo's stalker (3 Episodes)

Cha Sun Young [Young Ho's blind date] (2 Episodes)

Police officer (2 Episodes)

Health teacher (1 Episodes)

Hair stylist (1 Episodes)

Joo Eun's schoolmate (1 Episodes)

Kim Mi-Ji [Joo Eun's client] (1 Episodes)

Himself (1 Episodes)

Soo Jin's blind date (1 Episodes)

ER doctor (1 Episodes)

Joo Eun's client (1 Episodes)

Kang Joo Eun [Young] (1 Episodes)