My Wife's Having an Affair This Week

Lee Sun-kyun

Do Hyun-woo

Song Ji-hyo

Jung Soo-yeon

Kwon BoA

Kwon Bo-young

Lee Sang-yeob

Ahn Joon-young

Kim Hie-won

Choi Yoon-gi

Ye Ji-won

Eun Ah-ra

Lee Do-yeon

Eun Min-ji

Kim Kang-hoon

Do Jun-soo

Ye Su-jeong

Hyun-woo's mother

Kim Hye-ok

Da-ye / "Ms. Jade"

Kim Yeong-ok

Da-ye's sister in-law

Lee Soo-woong

Kang Seung-hyun

Woo Hyeon

"Mr. Let's go to the Han River"

Cho Jae-ryong

"Mr. Monk"