Laura Dianne Vandervoort is a Canadian actress. She is best known for her role as Lisa in the ABC science fiction series V. She also known for role 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 in The CW serial drama series Smallville, In 2014, she starred in the Space channel drama series Bitten, a television adaptation of Kelley Armstrong's book series Women of the Otherworld as Elena Michaels. From Wikipedia