On June 8, Plan A Entertainment announced, "A Pink's Namjoo has been chosen to play the main female character Chun Yeon Joo in season 2 following her role in season 1. Namjoo received many compliments for her successful actress debut, and she is going to continue playing the female lead of the series." 

SEE ALSO: Netizen claims to have found more proof of HYBE's connection with "Dahn World"

Along with Namjoo, actor Jo Dong Hyuk will also be returning for 'Detective Alice 2'.