Kathryn McKinnon Berthold is an American actress, comedian, and writer. She is known for her character work and celebrity impressions on the sketch comedy series The Big Gay Sketch Show (2007–2010) and Saturday Night Live (2012–present). McKinnon has appeared in films such as Balls Out (2014), Ghostbusters (2016), Office Christmas Party (2016), Rough Night (2017), The Spy Who Dumped Me (2018), Yesterday (2019), and Bombshell (2019).