(Photo : Mydramalist.com)
The apocalyptic thriller is helmed by director Ahn Gil Ho, whose famous works include the top-rating dramas "Record of Youth," "Strangers," and "Memories of Alhambra."
He will be working alongside scriptwriter Han Sang Woon, who worked with the 2015 KBS2 drama "Spy," Watcher," and "The Good Wife."
Aside from the confirmation of the cast, there were no reports regarding the target release date, but "Happiness" will be airing a total of 16 episodes.
ZE:A's Hyungsik and Han Hyo Joo are set to play Jung Yi Hyun and Yoon Sae Bom, who are among the survivor's newly constructed apartments after an infectious disease rundown the whole city.