Dr. Judith Mossman is a scientist who plays an integral role in the
Half-Life 2 series. She is a cunning and manipulative double agent, aiding both sides during the
Uprising but eventually siding with the
Resistance. Later on she discovered in an unknown Arctic location a secret and powerful project that could be used against the Combine, in a vanished ship named the
Borealis. She is portrayed as a Caucasian woman in her forties.
