Once infected, you'll be lovesick
Virus
Top billed
Bae DoonaOk Taek-seon
Kim Yun-seokLee Gyun
Chang Ki-haKim Yeon-woo
Son Seok-kooNam Su-pil
Moon Sung-keunProfessor Seong
Kim Hie-wonDirector of Research Institute
Oh Hyun-kyungYoung-hee
Min Jin-woongJeong-hun
Yeom Hye-ranMs. Yeom
Yoo Soon-woongNa Jeong-bae
Lee Kyung-jinTaek-seon's MotherChoi Hyung-inGyun's Mother
Kim Ye-wonJi-seon
Park Hee-vonYi-ju
Kwak Min-hoManager KimBehind it
Cast
Bae DoonaOk Taek-seonKim Yun-seokLee GyunChang Ki-haKim Yeon-wooSon Seok-kooNam Su-pilMoon Sung-keunProfessor SeongKim Hie-wonDirector of Research InstituteOh Hyun-kyungYoung-heeMin Jin-woongJeong-hunYeom Hye-ranMs. YeomYoo Soon-woongNa Jeong-baeLee Kyung-jinTaek-seon's MotherChoi Hyung-inGyun's MotherKim Ye-wonJi-seonPark Hee-vonYi-juKwak Min-hoManager Kim