Greta was a member of the Others, secretly assigned by Ben to the Looking Glass station to make sure that any transmissions leaving the Island were jammed. The rest of the Others were told that she and Bonnie were on an assignment in Canada. When Charlie entered the Looking Glass, she and Bonnie held him at gunpoint. ("Greatest Hits") They then tied him up and interrogated him, though Greta was less aggressive than Bonnie. Charlie told them that it was Juliet who revealed the existence of the st