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Abby Lockhart's Introduction on 'ER' Was Always Meant to Be Unconventional

By Arezou Amin

Published 2 days ago

Maura Tierney played Abby Lockhart on the hit medical drama from Season 6-15.

Image via NBC

Abby Lockhart's character on ER was always intended to become a series regular, according to Maura Tierney.
The character was introduced as a nurse, but went on to become a doctor at County General.
Tierney credits Sally Field's performance as Abby's mother for shaping her character and adding depth to her storyline.