Cast Credits Romance in the House (2024) Starring as Byun Hyun Jae Your Playlist (2021) Starring as Big Daddy ASTRO Project (2016) Starring as Yoon San Ha (5 episodes) Episode 1x05: Episode 5 (Dec 8, 2016) Episode 1x04: Episode 4 (Dec 1, 2016) Episode 1x03: Episode 3 (Nov 24, 2016) Episode 1x02: Episode 2 (Nov 17, 2016) Episode 1x01: Episode 1 (Nov 10, 2016) View 2 more View 2 less ASTRO OK! Ready (2016) Starring as Yoon San Ha (5 episodes) Episode 1x05: Episode 5 (Feb 18, 2016) Episode 1x04: Episode 4 (Feb 11, 2016) Episode 1x03: Episode 3 (Feb 4, 2016) Episode 1x02: Episode 2 (Jan 28, 2016) Episode 1x01: Episode 1 (Jan 21, 2016) View 2 more View 2 less To Be Continued (2015) Starring as Yoon San Ha