[2] Rowoon began his acting career in television series with a minor supporting role in KBS2's School 2017.

[5] On May 9, 2019, Rowoon was confirmed to be the male lead for the first time in MBC's school fantasy drama, Extraordinary You based on the hit Daum webtoon July Found by Chance.

[8] In April 2020, it was revealed that he would be the voice of Branch in the Korean dub of the animated movie Trolls World Tour.

[11] In late 2021, Rowoon became an MC for the 2021 KBS Song Festival along with Astro's Cha Eun-woo and Kim Seol-hyun.

[14] During the drama's run, FNC announced that Rowoon would be leaving SF9 to focus on his acting career while remaining with the agency.

[21] Endorsements with Estée Lauder,[22] SimplyO hair products,[23] Clean Up Beauty,[24] and the clothing brand ANDZ[25] followed in 2021 and 2022.