Northern Irish actress born in Belfast , Northern Ireland. Malcomson is sometimes credited as Paula Williams. http://en.wikipedia....te-buddytvbio-0 She starred as "Trixie" in the HBO series Deadwood [2] and Colleen in ABC 's Lost . http://en.wikipedia....note-latimes1-2 She played the role of Amanda Graystone in the Battlestar Galactica spin-off series Caprica , on