Yumi's Cells: Cast Rate: –☹️ Very Bad🙁 Bad😐 Average🙂 Good😃 Excellent🤩 Super! ★ Save Rating✔ Rating Saved! Notify me: –about new episodeabout new seasonabout end of season Subscribe✔ Subscription Saved! Yumi's Cells Comedy, Romance 9/17/21 – 10/30/21 Korea, Republic of http://program.tving.com/tvn/yumicell GeneralEpisodesTranslationsCastCharactersGallery Cast See full cast → Kim Go Eun as Yoo Mi Ahn Bo Hyun as Ku Woong Lee Yoo Bi as Ruby Park Ji Hyun as Seo Sae Yi Park Jin Young as Yoo Babi Kim Go Eun as Yumi Park Jin Young as Yoo Bobby