Answer
In the 2016 "Ghostbusters" film, Kate McKinnon portrays the character of Jillian Holtzmann, a particle physicist turned paranormal researcher. Holtzmann is a key member of the all-female Ghostbusters team, alongside Erin Gilbert, Abby Yates, and Patty Tolan. Known for her eccentric personality and inventive gadgets, Holtzmann plays a crucial role in the team's efforts to capture and contain supernatural entities in New York City.