My Lady (2010), sitcom Vampire Idol (2011), followed by supporting roles in Jeon Woo-chi (2012) and Dating Agency: Cyrano (2013).

[6][7] In 2014, Hong was cast in his first leading role in the cable series Her Lovely Heels,[8] followed by the melodrama Mama.

[9] He also joined the fourth season of reality show We Got Married, pairing up with Girl's Day member Yura.

[15] In 2018, he was cast in the romantic comedy drama My Absolute Boyfriend, based on the Japanese manga series of the same name.

[19] After discharge from military service In October 2021, Hong attended the What We Lost Vol.2 photo exhibition as a photographer.