Cast from Fanletter, Please

Choi Soo-young

Han Kang-hee

Yoon Park

Bang Jung-seok

Shin Yeon-woo

Bang Yoo-na

Jeong In-ji

Yoon Ah-young

Kang Da-hyeon

Koo Hye-ri

Kim Sang-woo

Hoon, the manager of Han Kang-hee

Kim Mi-ryeo

Sol's mother

Bang Eun-hee

Nam Hyun-sook

Cha Mi-kyeong

Hong Soon-young

Kim Kyu-na

Lee Si-hyeon