电影《纯情》讲述了一封在音乐节目直播过程中收到的来自23年前的信所引发的故事，描述了超越过去与现在的初恋和5名朋友之间的友情。片中，都暻秀饰演性格木讷但一片丹心的范实，金所炫饰演拥有天籁美声的少女秀玉。
Lee Eun-hee
Director
Lee Joon-gyoo
Song Jae-wan
도경수
Beom-sil
Kim So-hyun
Soo-ok
Yeon Jun-seok
San-dol
Lee Da-wit
Gae-deok
주아름
Gil-ja
Park Hae-joon
Min-ho
김지호
박용우
Hyung-joon
이대연
Su-ok's Father
Hwang Seok-jeong
Gae-deok's Mother
Park Jeong-min
Yong-su
Lee Beom-soo
Young-chul
황영희
Bum-sil's Mother
Park Choong-seon
Bum-sil's Father
김권
Young-il
Im Sung-jae
Sung-jae
김현
Woman
윤가현
San-dol's Mother
Yun Yeong-keol
Auctioneer
Lim Cheol-soo
Marine Products Young Man
