Cheat on Me If You Can

Cheat on Me If You Can is a South Korean television series starring Cho Yeo-jeong, Go Jun, Yeonwoo, Kim Young-dae and Kim Ye-won. The series directed by Kim Hyung-seok and written by Lee Seong-min follows an unconventional and intense story about Kang Yeo-joo, a novelist who wrote a memorandum to her husband Han Woo-sung, a divorce lawyer, stating, "If You Cheat, You Die". It aired on KBS2 from December 2, 2020 to January 28, 2021 on Wednesdays and Thursdays at 21:30 (KST).

Synopsis
A comical mystery thriller between a divorce lawyer and his wife, a criminal novelist who only thinks about how to kill people. She wrote a memorandum stating, "If you cheat, you die".

Main

 * Cho Yeo-jeong as Kang Yeo-joo, author of a few best-selling mystery novels, known for her writing style. She usually ends her stories by finishing off her immoral male characters for being unfaithful. So she is dubbed the "Praying Mantis".
 * Go Jun as Han Woo-sung, husband of Yeo-joo, a divorce lawyer who is passionate and emotionally involved with his job.
 * Kim Young-dae as Cha Soo-ho, a part-time worker at a convenience store, who is actually an agent of the National Intelligence Service.
 * Yeonwoo as Go Mi-rae, a college student who looks innocent but deep inside, carries a complicated personality.

People around Yeo-joo and Woo-sung

 * Song Ok-sook as Yeom Jin-ok, a professional house-keeper working at Yeo-joo and Woo-sung's house
 * Na Young-hee as Han Woo-sung's mother
 * Jung Sang-hoon as Son Jin-ho, Han Woo-sung's best friend and secretary of the lawyer's office.
 * Lee Se-na as Min Yoon-hui, Jin-ho's wife
 * Kim Ji-hoon as Son Dong-ho, Jin-ho's son

Seodong Police Station

 * Lee Si-eon as Jang Seung-chul, an experienced homicide detective
 * Kim Ye-won as Ahn Se-jin, the only female detective in the violent crimes department
 * Lee Tae-hyung as Hong Sung-wan, team leader

Broadcast stations

 * Hong Soo-hyun as Baek Soo-jung
 * Gong Sang-ah as Oh Hyun-jung, the PD in-charge of the morning information program
 * Yoo Jun-hong as Kim Deok-gi, Baek Soo-jeong's manager

The O Ville Publishing Company

 * Kim Soo-jin as Yang Jin-sun, a representative of the publishing House
 * Song Seung-ha as Na Yoo-ri

Others

 * Oh Min-suk as Ma Dong-kyun, Director of the National Intelligence Service
 * Bae Noo-ri as Eom Ji-eun, NIS agent
 * Kim Do-hyun as Nam Gi-ryong, Korea's leading political consultant
 * Han Soo-yeon as Park Hye-kyeong, Woo-sung's rival lawyer
 * Choi Jung-woo as Go Mi-rae's friend
 * Jeon Soo-kyeong as Yoon Hyeong-suk, Kang Yeo-joo's step-mother
 * Yoo So-young as Jogger
 * Kim Jeong-pal as Bae Jung-shik, the apartment manager
 * Kim Gwang-sub as Green Ivy member

Production
The series, also known as You Cheat, You Die, You're Dead If You Cheat, and If I Cheat, I Die, is directed by Kim Hyoung-seok and written by Lee Sung-min. In July 2020, Go Jun was confirmed to play the lead role. Bae Noo-ri was confirmed in August 2020. The first reading of the script was held in August 2020.

On August 22, KBS announced that in an emergency meeting they decided to stop production. The filming of the series would stop to prevent the cast and crew to become infected with COVID-19, as new outbreaks of the disease were reported. On October 13, first look poster and first air date was officially announced. The drama's first poster apparently purported to show an important clue, as it shows a document inside a plastic bag taped shut at the scene of a crime. The document is stained with blood and reads, "If Han Woo-sung has an affair with another person after he has married Kang Yeo-joo, Kang Yeo-joo will have all the rights to Han Woo-sung's body."

Episode 8 did not air on Thursday, December 24, 2020 to allow the airing of the 2020 KBS Entertainment Awards.

Episode 9 did not air on Thursday, December 31, 2020 to allow the airing of the 2020 KBS Drama Awards. It aired on Wednesday, January 6, 2021.

Viewership
According to Nielsen Korea the first episode of the series recorded 5.8% average audience viewership nationwide and 6.2% in metropolitan area. It ranked first among Wednesday and Thursday dramas.