Fan Casting Anna in Doug Liman's Splinter Cell

Sam's contact at 3RD ECHELON, the shadowy organization that manages the Splinter Cells, who is kept synched in real-time with him as he wears high-tech night-vision (NVGs) headgear complete with a microphone and earpiece. Fisher and Anna have a close relationship, despite the fact that they’ve never met and that Fisher has no idea what Anna even looks like.