Topics: We Got Married - Wikipedia
Hong began his entertainment career in 2007 as a professional model.  He made his acting debut in 2008, and has appeared in the sitcom Vampire Idol (2011),  followed by supporting roles in Jeon Woo-chi (2012) and Dating Agency: Cyrano (2013).  
In 2014, Hong was cast in his first leading role in the cable series Her Lovely Heels ,  followed by the melodrama Mama .  He also joined the fourth season of reality show We Got Married , pairing up with Girl's Day member Yura.  
Hong next starred in the romantic comedy film Enemies In-Law and horror film Alice: Boy from Wonderland in 2015,   followed by historical drama Moon Lovers: Scarlet Heart Ryeo in 2016.  In 2017, he co-starred in historical melo-romance drama The King in Love alongside Im Si-wan and Im Yoon-ah.