

By Dramabeans

Dan, Only Love
Lee Jung-sub
Choi Yoon-kyo
32
35 minutes
KBS2
South Korea
Korean
Source: Wikipedia
Ji Kang-woo, Yeon-seo's mentor as well as her ballet instructor. He is a fallen angel who is initially obsessed with her as she is his dead lover's doppelganger but eventually falls in love with her.
Geum Ru-na
(Ep. 2, 7, 9, 11–12)
Hu, an archangel that gives missions to Dan.
Lee Yeon-seo/Choi Seol-hee/Giselle, a ballerina who has never believed in love. She is abusive to her staff until Dan sent them off even though she ordered them not to leave.
Gi Bo-ra
Cho Seung-wan (Ep. 1–2)
Nina Geum, Yeon-seo's cousin, who is also a ballerina, she has a crush on Kang-woo.
Dan/Kim Dan/Yoo Seong-woo
Choi Yeong-ja

Chung Yu-mi
Ko Sung-min
Yeon-seo's mother (Ep. 2) (Na Hui-su)