Mantis, which will be a spin-off ofthe streamer’s hit espionage movie Kill Boksoon.Netflix announced Mantis’ production on September 2, sharing that the spin-off will focus on an agent sharing the film’s namesake who works for MK Entertainment, the same contract killing company introduced in the original film. Agent Mantis was also notably mentioned in passing in the original Kill Boksoon. Although Kill Boksoon revolved around the story of a mother struggling to balance her duties as a single parent and her clandestine operations as a contract killer, Netflix described Mantis as an intense action film involving the titular character and his two rivals in a race to prove themselves as top assassins, per Korea Joong-Ang Daily.Boyhood and Run On star Im Si-wan has been cast as the film’s titular protagonist, while Park Gyu-young of Sweet Home season two has been cast as Jae-yi, a character who was fired from MK Entertainment.
