Yi-young (played by Shin Min-a) is a protagonist in Diva.
Soo-jin (played by Lee You-young) appears in Diva.
Hyun-min (played by Lee Kyoo-hyung) appears in Diva.
Detective Oh (played by Park Seong-yeon) appears in Diva.
Cho-ah (played by Oh Ha-ni) appears in Diva.
Representative Lee (played by Ju Seok-tae) appears in Diva.
Aquarium manager (played by Heo Dong-won) appears in Diva.
Yoo-jung (played by Ji Suyeon) appears in Diva.
