Sonja O'Hara (born October 1, 1987) Birth name Sonja Kristiansen, is an award-winning Canadian actress and filmmaker who is represented by William Morris Endeavor (WME).
She is originally from Halifax, Nova Scotia, Canada, and currently resides in New York City.
She is best known for playing the role of Calpurnia Dylan in the 2015 American film "Ovum." In 2007, O'Hara appeared on the New York stage in a production of Pulitzer Prize-winning author Norman Mailer's play The Deer Park as a character based on Marilyn Monroe.In 2019, O'Hara made her feature film directorial debut helming the live-action adaptation of the popular Japanese video game Root Letter.