海莉的童星生涯可谓一帆风顺,13岁时主演第一部影片《猛虎湾情杀案》就让她获得了柏林电影节特别奖。第二年主演的《波丽安娜》让她在当年奥斯卡颁奖礼上被授予了特别奖。此后出演的《爸爸爱妈妈》、《天涯历险记》等影片都曾轰动一时。
Nancy Lenehan's television credits include My Name Is Earl (2005), Malcolm in the Middle (2000), Grace Under Fire (1993) and Ellen (1994). Series regular roles include Worst Week (2008) and Married to the Kellys (2003).