What is the premier date of this South Korean television drama airing every Wednesday and Thursday, in which Jung Hae-in appears?
Jung Hae-in Jung Hae-In (born April 1, 1988) is a South Korean actor. He is currently appearing in the SBS's television series "While You Were Sleeping".
A Bird That Doesn't Sing A Bird That Doesn't Sing () is a 2015 South Korean television series starring Oh Hyun-kyung, Hong Ah-reum, Kang Ji-sub, Kim Yu-seok, Baek Seung-hee, and Ahn Jae-min. It aired on tvN, premiering on May 4, 2015 on Mondays to Thrusdays at 21:40 (KST) time slot.