Parasyte: The Grey Season 1
1. Episode 1
After a brutal attack, Jeong Su-in learns she may not be the same person as before. Choi Jun-kyung discovers the monsters are forming an organization.
Jeon So-nee
Jeong Su-in
Koo Kyo-hwan
Seol Kang-woo
Lee Jung-hyun
Choi Jun-kyung
Kwon Hae-hyo
Kim Chul-min
Kim In-kwon
Kang Won-seok
Jeon Hui-jeong
The Grey Agent
Yoon Hyun-Gil
Seol Kyeong-hee
Yoon Hyun-gil
Seol Kyeong-hee
Tom Choi
Chul-Min
Lee Hyun-kyun
Kwon Hyeok-joo
Moon Jung-Dae
Chief Kang Seok-kwan
Seo Myung-chan
Jin Yong-kwan
Seo Myung-chan
Jin Yong-kwan
Lee Se-ho
The Grey Agent
Lee Hyo-na
Parasite
Kim Ye-rin
EDM Concert Goer
Joo Suk-je
Jung Ji-hoon
Jeon Su-ji
Jeong Su-in's Mother
2. Episode 2
Looking for his sister, Seol Kang-woo investigates Saejin Church, where he finds Su-in. But he soon encounters trouble — and the two fight to escape.
Jeon So-nee
Jeong Su-in
Koo Kyo-hwan
Seol Kang-woo
Lee Jung-hyun
Choi Jun-kyung
Kwon Hae-hyo
Kim Chul-min
Kim In-kwon
Kang Won-seok
Jeon Hui-jeong
The Grey Agent
Yoon Hyun-Gil
Seol Kyeong-hee
Yoon Hyun-gil
Seol Kyeong-hee
Tom Choi
Chul-Min
Lee Hyun-kyun
Kwon Hyeok-joo
Moon Jung-Dae
Chief Kang Seok-kwan
Seo Myung-chan
Jin Yong-kwan
Seo Myung-chan
Jin Yong-kwan
Lee Se-ho
The Grey Agent
Joo Suk-je
Jung Ji-hoon
3. Episode 3
After raiding Saejin Church, Jun-kyung begins suspecting Kim Chul-min is hiding something — later tracking him down meeting with Su-in and Kang-woo.
Jeon So-nee
Jeong Su-in
Koo Kyo-hwan
Seol Kang-woo
Lee Jung-hyun
Choi Jun-kyung
Kwon Hae-hyo
Kim Chul-min
Kim In-kwon
Kang Won-seok
Jeon Hui-jeong
The Grey Agent
Yoon Hyun-Gil
Seol Kyeong-hee
Yoon Hyun-gil
Seol Kyeong-hee
Tom Choi
Chul-Min
Lee Hyun-kyun
Kwon Hyeok-joo
Moon Jung-Dae
Chief Kang Seok-kwan
Seo Myung-chan
Jin Yong-kwan
Seo Myung-chan
Jin Yong-kwan
Lee Se-ho
The Grey Agent
Joo Suk-je
Jung Ji-hoon
4. Episode 4
After revealing everything he knows to Chul-min, Kang-woo agrees to help save Su-in. But when the plan goes awry, lives are put at risk.
Jeon So-nee
Jeong Su-in
Koo Kyo-hwan
Seol Kang-woo
Lee Jung-hyun
Choi Jun-kyung
Kwon Hae-hyo
Kim Chul-min
Kim In-kwon
Kang Won-seok
Jeon Hui-jeong
The Grey Agent
Yoon Hyun-Gil
Seol Kyeong-hee
Yoon Hyun-gil
Seol Kyeong-hee
Tom Choi
Chul-Min
Lee Hyun-kyun
Kwon Hyeok-joo
Moon Jung-Dae
Chief Kang Seok-kwan
Seo Myung-chan
Jin Yong-kwan
Seo Myung-chan
Jin Yong-kwan
Lee Se-ho
The Grey Agent
Joo Suk-je
Jung Ji-hoon
5. Episode 5
Despite being on the run, Su-in tries to warn Jun-kyung. But as Team Grey's raid plays out, Su-in and Kang-woo realize it's all part of a bigger plan.
Jeon So-nee
Jeong Su-in
Koo Kyo-hwan
Seol Kang-woo
Lee Jung-hyun
Choi Jun-kyung
Kwon Hae-hyo
Kim Chul-min
Kim In-kwon
Kang Won-seok
Jeon Hui-jeong
The Grey Agent
Yoon Hyun-Gil
Seol Kyeong-hee
Yoon Hyun-gil
Seol Kyeong-hee
Tom Choi
Chul-Min
Lee Hyun-kyun
Kwon Hyeok-joo
Moon Jung-Dae
Chief Kang Seok-kwan
Seo Myung-chan
Jin Yong-kwan
Seo Myung-chan
Jin Yong-kwan
Lee Se-ho
The Grey Agent
Joo Suk-je
Jung Ji-hoon
6. Episode 6
Su-in meets with Seol Kyung-hee, who requests an alliance. But the parasites' ploy for power goes into full effect — and it's up to Heidi to stop them.
Jeon So-nee
Jeong Su-in
Koo Kyo-hwan
Seol Kang-woo
Lee Jung-hyun
Choi Jun-kyung
Kwon Hae-hyo
Kim Chul-min
Kim In-kwon
Kang Won-seok
Jeon Hui-jeong
The Grey Agent
Yoon Hyun-Gil
Seol Kyeong-hee
Yoon Hyun-gil
Seol Kyeong-hee
Tom Choi
Chul-Min
Lee Hyun-kyun
Kwon Hyeok-joo
Moon Jung-Dae
Chief Kang Seok-kwan
Seo Myung-chan
Jin Yong-kwan
Seo Myung-chan
Jin Yong-kwan
Lee Se-ho
The Grey Agent
Go Seo-hee
Kang Won-seok's Wife
Masaki Suda
Shinichi Izumi
Joo Suk-je
Jung Ji-hoon