
She has appeared in two different series in which her character lived in or visited the Lost City of Atlantis: in "Hercules: The Legendary Journeys: Atlantis (#3.22)" (1997), she played Cassandra, a scientist living in the city, while in "Stargate SG-1: The Pegasus Project (#10.3)" (2006), she played Vala Mal Doran, a regular character on that series, who visited the city, located in the Pegasus galaxy.
(imdb.com)