(written from a Production point of view)
Kate Vernon (born 21 April 1961; age 58) is an actress who played a member of Species 8472 impersonating Commander Valerie Archer in the Star Trek: Voyager fifth season episode "In the Flesh". She is the daughter of Bruce McGill's Animal House co-star John Vernon.
She played Ellen Tigh on the re-imagined Battlestar Galactica series, written and developed by former Star Trek writer Ronald D. Moore, and guest-starred on an episode of CSI: Crime Scene Investigation satirizing sci-fi and Star Trek conventions. She previously had recurring roles on the television series Nash Bridges and L.A. Law.