Shauna MacDonald (born October 6, 1970) is a Canadian television and film actress, director, and radio announcer.MacDonald was born in Antigonish, Nova Scotia. She graduated from Dr. John Hugh Gillis Regional High School in Antigonish and later attended Montreal's McGill University, earning a degree in Russian and Slavic Studies.MacDonald has appeared in various Canadian TV series, including Trailer Park Boys (as Officer Erica Miller), These Arms of Mine (as Claire Monroe), and This Hour Has 22 Minutes (as a substitute newsreader), among other roles. In 2003 she starred in the two part miniseries Shattered City: The Halifax Explosion. She has also used her name in the show (that was recently canceled) "Reign", She was beheaded in the show to threat Queen Catheren. "Reign ep. 20". Wikipedia