Maura Tierney. Maura Tierney (born February 3, 1965) is an American film and television actress who is best known for her roles as Lisa Miller on the sitcom NewsRadio, Audrey Reede in Liar Liar (1997), Abby Lockhart on the medical drama ER and as Helen Solloway on the television drama The Affair for which she won the Golden Globe Award in 2016.