Dog Knows Everything

Lee Soon-jae as Lee Soon-jae

Kim Yong-geon as Kim Yong-geon

Ye Soo-jung as Ye Soo-jeong

Im Chae-moo as Im Chae-moo

Park Sung-woong as Lee Gi-dong

Nam Yoon-Su as Hyun-ta

Yeonwoo as Hong Cho-won

Gong Chan-shik as Kang Min-woo

Song Ok-sook as Song Ok-sook

Lee Soo-kyung as Kim Se-gyeong

Bae Jeong-nam as Sophie (Dog)

Kim Ji-yeong as Hong Eun-ah

Tae Hang-ho as Yook Dong-goo

Jeong Mi-Seong as Director Baek

Kim Gi-du as Park Yeong-choon