While You Were Sleeping Season 1 Episode 17
The Usual Suspect (1)
Hak Young is released and set to be investigated without detention. Thanks to a comment left by a netizen, Hong Joo figures out the cause of the strange markings on the floor of Yoo Su Kyung's apartment.
Guest Stars
Moon Ah-ram
Yu Beom's firm's receptionist
Baek Sung-hyun
Do Hak Young [Cable Man]
Jeon Kuk-hwan
Soo Kyung's father
Lee Min-jae
Seung Won's classmate
Yoo In-soo
Seung Won's classmate