Fanletter, Please: Reparto
Sooyoung Choi
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