Heartbeat

Heartbeat is a 2023 South Korean television series starring Ok Taec-yeon, Won Ji-an, Park Kang-hyun, and Yoon So-hee. It aired from June 26 to August 15, 2023, on KBS2's Mondays and Tuesdays at 21:45 (KST) time slot. It is also available for streaming on Amazon Prime Video in selected regions. Synopsis Half-human and half-vampire Seon Woo-hyul (Ok Taec-yeon) somehow starts to live together with coldhearted woman Joo In-hae (Won Ji-an). The two fall in love with each other, bringing warmth into their lives. Cast and characters Main Ok Taec-yeon as Seon Woo-hyul: a half-human and half-vampire who had failed to become human due to a one-day difference in 100 years. Won Ji-an as Joo In-hae: a part-time high school nurse and owner of a guesthouse. Park Kang-hyun as Shin Do-sik: a real estate development specialist. Yoon So-hee as Yoon Hae-seon / Na Hae-won Yoon Hae-seon: a member of an aristocratic family during the Joseon dynasty. Na Hae-won: a real estate investor.