Ruby Ring

Lee So-yeon

as

Jung Roo-Bi

Lim Jung-Eun

as

Jung Roo-Na

Kim Suk-hoon

as

Bae Kyeong-Min

Park Kwang-hyun

Jung Ae-ri

Byeon Jung-su

Jeong Dong-hwan

Kim Seo-ra

as

Park Kyeong-So...

Park Jin-joo

as

Ko So-Young

Kim Yeong-ok

as

Jo Il-Soon

Kim Ga-yeon

as

Bae Se-ra

Ha Joo-hee

as

Seo Jin-hee (서...