Choi Joon-Woo (16 Episodes)

Yoo Soo-Bin (16 Episodes)

Ma Whi-Young (16 Episodes)

Oh Han-Kyeol (16 Episodes)

Joon-Woo's mother (16 Episodes)

Soo-Bin's mother (16 Episodes)

Choi Myeong-jun (16 Episodes)

Jung Oh-je (16 Episodes)

Park Geum-ja (16 Episodes)

Choi Joon-Woo (young) (16 Episodes)

Yoo Pil-Sang (16 Episodes)

Hwang Ro Mi [Soo Bin's classmate] (16 Episodes)

Kwon Da-hwin (16 Episodes)

Yoon So-ye (16 Episodes)