Which character used the name Amber Volakis in House M.D.?

Amber Volakis is the character’s name in House M.D.; she is played by Anne Dudek.

Volakis is introduced during the competition to join House’s diagnostic team in season four. Her aggressive ambition earns her the nickname “Cutthroat Bitch,” a label reflecting her willingness to outmaneuver other applicants.

After the team-selection storyline, Amber becomes closely connected to James Wilson. Her later story ends in a major two-part plot involving a bus accident, amantadine toxicity, and Wilson’s relationship with House. Those events lead to her death in the season-four finale.

This question is distinct from the character Remy Hadley, whose nickname is “Thirteen.” Amber Volakis and Remy Hadley are separate characters, portrayed by Anne Dudek and Olivia Wilde respectively.