[1] But his most notable roles have been in the TV dramas While You Were Sleeping, A Hundred Year Legacy, Sky Castle, Doctor Prisoner, Hwarang: The Beginning,[2][unreliable source?]

Mad Dog as well as the low-budget crime thriller Your Time Is Up, which premiered at the 2012 Busan International Film Festival.

[4] Choi married actress Shim Yi-young on February 28, 2014, at the Grand Ballroom of the COEX Walkerhill Hotel in Samseong-dong.

[5] Choi and Shim met while filming the 2013 TV series A Hundred Year Legacy, where they played a married couple.

[citation needed] On June 23, 2014, Choi's wife gave birth to their first child, a daughter.