My Wife’s Having an Affair This Week

Director

• 
  Kim Seok Yoon

Screenwriter

• 
  Lee Nam Gyu
• 
  Kim Hyo Shin
• 
  Lee Ye Rim

Main Role

• 
  Lee Sun Kyun

  Do Hyeon U

  Main Role
• 
  Song Ji Hyo

  Jeong Soo Yeon

  Main Role
• 
  Kim Hee Won

  Choi Yoon Gi

  Main Role
• 
  Ye Ji Won

  Eun Ah Ra

  Main Role
• 
  Lee Sang Yeob

  Ahn Jun Yeong

  Main Role
• 
  Bo A

  Kwon Bo Yeong

  Main Role

Support Role

• 
  Lee Do Yeon

  Eun Min Ji

  Support Role
• 
  Kim Kang Hoon

  Do Jun Soo

  Support Role
• 
  Ye Soo Jung

  [Hyun Woo's mother]

  Support Role
• 
  Kim Young Ok

  [Da Ye's sister in-law]

  Support Role
• 
  Lee Soo Woong

  Kang Seung Hyun

  Support Role
• 
  Woo Hyun

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

  Support Role
• 
  Jo Jae Ryong

  "Mr. Monk"

  Support Role
• 
  Kim Sun Hwa

  "Ms. Poisoned Water"

  Support Role
• 
  Jang Liu

  "Ms. Lonely Man"

  Support Role
• 
  Lee Byung Jin

  Lee Byeong Jin / "Mr. Eyes on Eyes"

  Support Role
• 
  Lee Seok Jun

  Ji Sun Woo

  Support Role
• 
  Kim Hye Ok

  Da Ye / "Ms. Jade"

  Support Role
• 
  Im Sung Eon

  Sung Eun [Flower arrangement instructor]

  Support Role
• 
  Baek Bo Ram

  Bo Ram [Yoon Gi's client]

  Support Role
• 
  Park Soo Young

  Park Young Soo /"Mr. No Name" [Director]

  Support Role
• 
  Shim Hee Sub

  Lee Ji Hoon

  Support Role
• 
  Jung Ji Ahn

  Kim Mi Ha [Scriptwriter]

  Support Role
• 
  Han Seo Jin

  Seo Jin [Yoon Gi's mistress]

  Support Role
• 
  Kim Hye Won

  Lee Ye Rim

  Support Role

Guest Role

• 
  Heo Ji Woong

  [Himself] (Ep. 1)

  Guest Role
• 
  Choi Mu Sung

  [Private detective] (Ep. 2)

  Guest Role
• 
  Kang Ho Dong

  [Himself] (Ep. 3)

  Guest Role
• 
  Lee Do Hyun

  [Interviewee] (Ep. 3)

  Guest Role
• 
  Hwang Jung Min

  [Interviewee] (Ep. 5)

  Guest Role
• 
  Lee So Yun

  [Sun Woo's wife] (Ep. 5-6)

  Guest Role
• 
  Lee Do Yeop

  [Interviewee] (Ep. 7)

  Guest Role
• 
  Jung Yu Mi

  Joo Hee [Hyeon Woo's ex-girlfriend] (Ep. 8)

  Guest Role
• 
  Ki Tae Young

  [Guy who's drinking with Bo Yeong and Jun Yeong (Ep. 10)

  Guest Role
• 
  Lee Hwi Jae

  [Guy who's drinking with Bo Yeong and Jun Yeong (Ep. 10)

  Guest Role
• 
  Heo An Na

  [Woman who's drinking with Bo Yeong and Jun Yeong] (Ep. 10)

  Guest Role
• 
  Oh Yoon A

  So Eun [Hyeon Woo's new neighbour] (Ep. 12)

  Guest Role
• 
  Yoo Hee Je

  [Waiter]

  Guest Role
• 
  Choi Seol Hwa

  [Fitness trainer]

  Guest Role
• 
  Kim Do Young

  [Head of department]

  Guest Role
• 
  Eun Ji Won

  [Man picking up doll]

  Guest Role
• 
  Yoon Sang Hoon Guest Role
• 
  Kim Seon Hwa Guest Role
• 
  Lim So Ra

  [Colleague]

  Guest Role

Unknown

• 
  Lee Ji Hye Unknown
• 
  Lee Seung Hun Unknown
• 
  Jung Hye Ji Unknown
• 
  Yoo Ah Reum Unknown
• 
  Lee Ja Ryoung Unknown
• 
  Choi Bo Kwang Unknown
• 
  Jung Won Jo

  (Ep. 11)

  Unknown
• 
  Oh Jung Taek Unknown
• 
  Jung A In

  Jung Eun Jung

  Unknown

Bit part

• 
  Kim Tae Woo

  [Commenter]

  Bit part
• 
  Choi Hee Jin

  [Cheating wife]

  Bit part