Kathryn McKinnon Berthold[1][2][3] (born January 6, 1984), known professionally as Kate McKinnon, is an American comedian, actress, impressionist, and model who is best known as a regular cast member on Saturday Night Live and The Big Gay Sketch Show,[4] and for playing the role of Dr. Jillian Holtzmann in the 2016 Ghostbusters reboot. In Robotomy, she provides the lead role as Emily Omika and other roles, such as Blastus's Mom and Nana.