Big Mouth Season 1 Episode 9
Changho stands as an informant in Seo Jaeyoung's trial, and Jihoon and Jungrak search for Changho.
Guest Stars
Lee Taek-geun
Kong Ji-hoon's Secretary
Kim Do-young
Doctor Hong Kwang-ho
Bae Ho-geun
Producer Na
Sun Yul-woo
Prisoner 2007
Kim Kwon
Reporter