Ji Chang Wook, Wi Ha Joon, and Im Se Mi have all confirmed that they would appear in the upcoming Disney+ original series "The Worst Evil," which will debut in 2023. This announcement was made on October 4th. An inquiry to stop the drug trade between Korea, China, and Japan was launched in Seoul, South Korea, according to the criminal action drama "The Worst Evil."

Ji Chang Wook will portray Park Jun Mo, a police officer who infiltrates a group to look into drug use, and he'll exhibit a significant metamorphosis in the role. Wi Ha Joon portrays Jung Gi Chul, the leader of a newly formed criminal organization, and creates a presence that is endearing and unstoppable. Im Se Mi will also demonstrate her prodigious acting abilities in the character of Yoo Jung, a police officer involved in a narcotics investigation, and Park Jun Mo's wife.

Han Dong Wook, who directed the film "When a Man Loves" after serving as an assistant director and head of the directing department for "Unfair Trade," "War on Crime," and "New World," made his directorial debut. Ji Chang Wook gained notoriety for portraying the title character of Dong Hae in the daily drama series "Smile Again" (2010–2011). Ji Chang Wook also had notable lead roles in several other television series, including "Warrior Baek Dong Soo" (2011), "Empress Ki" (2013–2014), "Healer" (2014–2015), "The K2" (2016), "Suspicious Partner" (2017), "Melting Me Softly" (2019 (2022).

Actor and model Wi Ha Joon is from South Korea. He gained international notoriety for his appearances in the television series "Squid Game" (2021), "Something in the Rain" (2018), "Romance Is a Bonus Book" (2019), "18 Again" (2020), and the movies "Gonjiam: Haunted Asylum" (2018), "Shark: The Beginning" (2021), and "Midnight" (2021).