Shauna MacDonald

 portrayed Jeanne de Mohrenschildt who, with her husband George, befriended Lee Harvey Oswald.

MacDonald is a Canadian actress and producer, known for "Trailer Park Boys" (2001), 11.22.63 (2016) and "Hemlock Grove" (2013). She is of Clan Donald.

Source
Shauna MacDonald on the Internet Movie Database. Retrieved on April 4, 2019.