Long Time No Sex features a hilarious storyline diving into the lives of two complex individuals as they decide to take a path that completely transforms their dynamic. Woo Jin and Rim Park Samuel have been married for five years. Each of them has their own set of difficulties. This aspect brings complications in their lives.
One day, they decide to join hands to hunt down couples who are cheating on their partners. They begin to make money through them. Though things run smoothly at the beginning, soon this leads to the rise of difficulties between Woo Jin and Rim Park Samuel. The cast plays a vital role in bringing life to the distinct storyline with the aspect of black comedy.
Long Time No Sex cast and characters
1) Esom as Woo Jin

Esom’s Woo Jin is a dedicated person. This can especially be seen when her work is concerned. Her goals are strict, and she strives to achieve all the goals she sets for herself.
In Long Time No Sex, her dynamic with Samuel adds to the overall humor of the series. Esom’s other notable projects are Samjin Company English Class, Scarlet Innocence, Microhabitat, Taxi Driver, Because This Is My First Life, etc.
2) Ahn Jae-hong as Rim Park Samuel

Ahn Jae-hong always brings forth a special authenticity in every project he takes on. His comedic timing enhances the humor in this series. Samuel’s dynamic with his friend Jeong-su also adds to the layer of humor in his series.
In the series, his economic situation, along with his educational background, becomes the driving force for him to pursue the new journey of catching cheaters to earn money. Some of Ahn Jae-hong’s other projects are Fight for My Way, Be Melodramatic, Reply 1988, Mask Girl, etc.
3) Lee Hak-joo as Jeong-su

Lee Hak-joo does a commendable job in portraying Jeong-su’s character in the series with his humorous performance. The manner in which he worries about his girlfriend cheating on him while being married to Se-yeon adds a layer of complexity in a humorous manner.
Throughout the series, every time Lee Hak-joo’s Jeong-su appears on the screen, he steals the show with his performance. Besides this series, some of Lee Hak-joo’s other projects include The World of the Married, Political Fever, Welcome to the Guesthouse, 12th Assistant Deacon, etc.
4) Kim Sae-byuk as Se-yeon

Kim Sae-byuk’s Se-yeon becomes a crucial part of the storyline. Initially, Se-yeon worries about her marriage. She admits that her husband was a good man. However, for quite some time now, things have not been the same between them. She speaks with Woo Jin about this.
She even tells her about her instincts that maybe her husband is cheating on her. Kim Sae-byuk’s other projects that should definitely be on your watchlist are Grass, House of Hummingbird, Silence of the Lambs, Hometown, etc.
5) Kang Jin-A as Woo Jung-a

Kang Jin-A’s Woo Jung-a is Woo Jin’s elder sister. She has a genius daughter, however, worries about her inability to provide for her family because of her economic condition.
Kang Jin-A does a commendable job in bringing life to Woo Jung-a’s complex character as she struggles through the difficulties that come her way. Some of Kang Jin-A’s projects are Resident Playbook, Friendly Rivalry, etc.
Other cast members of this LTNS are:
- Ki Joo-Bong
- Joo In-Young
- Heo So-Yoon
- Kim Keum-Soon
- Yang Mal-bok
- Hwang Hyun-bin
- Kang Sun-Young
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