Full cast of Thundercloud Rainstorm

Yoon Ji-sung

Lee Il-jo

8 episodes

Jeong Ri-u

Seo Jeong-han

8 episodes

Jang Won-hyuk

Seung-jae

8 episodes

Lee Dong-ju

Jeong-in

8 episodes

Hwang Seong-yun

Su-hyo

8 episodes

Park Si-woo

Seo Jeong-han [Young]

2 episodes