[2][3] He first gained recognition as a child actor in the drama Piano (2001), and TV movies about student youth situations.

He has since taken on lead roles in melodrama Exit (2018) and the famous and popular romcom TV drama So I Married the Anti-fan (2021).

Choi made his acting debut as a child actor, playing the younger version of Jo In-sung's character in the television series Piano (2001).

[9] Choi was a cast member of the virtual reality show We Got Married in 2016, pairing with Apink's Yoon Bo-mi.

[10] Choi became a permanent host on the Korean variety show Hello Counselor in September after being a guest two weeks in a row in August 2016.