Laura Dianne Vandervoort (born September 22, 1984) is a Canadian actress. She is best known for her roles as Sadie Harrison in the CTV teen drama series Instant Star, Arla "The Bolt-Gun Killer" Cogan in the Syfy supernatural drama series Haven, Kara Zor-El (Supergirl) in The CW serial drama series Smallville, and as Lisa in the ABC science fiction series V (2009). In 2014, she starred in the Space drama series Bitten, a television adaptation of Kelley Armstrong's book series Women of the Otherworld as Elena Michaels.
Vandervoort was born and raised in Toronto, Ontario. She is the daughter of a Canadian mother and a Dutch father. In the first weeks of her life, she contracted meningitis, resulting in a severe sickness that lasted a few months. Her parents were initially told she was not going to survive. Growing up, Vandervoort was involved in several sports such as football, karate (second-degree black belt), basketball, tennis, gymnastics and baseball. She has a sister named Sarah and she is related to Canadian actor Gordon Pinsent.