Born In England, raised in Canada. BFA Acting University of Windsor. Amanda spent 12 seasons on Stargate SG-1 (1997) and its spin-offs, Stargate: Atlantis (2004) and Stargate Universe (2009), as "Samantha Carter". She then took on the lead role of "Dr. Helen Magnus" on the television series Sanctuary (2008), a project she had been nurturing from ...