: Maura Lynn Tierney is an American actress. She is best known for her roles as Lisa Miller on the sitcom NewsRadio (1995–1999), Abby Lockhart on the medical drama ER (1999–2009), and Helen Solloway on the mystery drama The Affair (2014–2019), the last of which won her a Golden Globe Award for Best Performance by an Actress in a Supporting Role in a Series, Limited Series or Motion Picture Made for Television.