Anna-Louise Plowman is an actress. Her acting career started in the mid ’90s. She first became know for her role as Annalese Carson on the British series Holby City. She next gained recognition for playing Dr. Sarah Gardner/Osiris on the American series Stargate SG-1. She went on to star on the BBC miniseries Cambridge Spies. She then made a notable guest appearance on Doctor Who. She became further known in the 2010s. This was after landing the role of Mrs. Hudson on the television series Black Sails. Last year, she appeared in the feature film Billionaire Ransom.