Heather Doerksen is the actress who portrays Sergeant Brandy Harder in the Re-imagined Series. Her character appears as early as Season 2 was unnamed until "Revelations" in Season 4.
Doerksen's other forays into genre television include the unaired pilot for the re-imagined Bionic Woman (with Aaron Douglas, Mark Sheppard, et al.), Stargate Atlantis (with Kimani Ray Smith, P.J. Prinsloo, Kavan Smith), Smallville, Supernatural, Kyle X-Y (with Kurt Max Runte, Malcolm Stewart) and Blade: The Series (with Don Thompson).