Rollista

• Lee Min-ho — Lee Gon
• Kim Go-eun — Jeong Tae-eul / Luna
• Woo Do-hwan — Jo Eun-seob / Jo Young
• Kim Kyung-nam — Kang Shin-jae
• Jung Eun-chae — Koo Seo-ryeong
• Lee Jung-jin — Lee Rim
• Kim Young-ok — No Ok-nam
• Jeon Bae-soo — Jung Do-in
• Seo Jung-yeon — Song Jung-hye
• Park Won-sang — Park Moon-sik
• Kim Yong-ji — Myung Seung-a