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).

Her feature film credits include Catch Me If You Can (2002) and Door to Door (2002).

Lenehan regularly contributes to the charitable organization "Stitches from the Heart", which provides knitted items to those in need. She also plays tennis and is learning to play the cello.

After attending Yankton College in South Dakota, Lenehan moved to California to pursue acting. She joined a comedy troupe in San Francisco, where she performed "Shakespeare in the Park" in Berkeley before heading to Los Angeles to begin her television and film career.

She was born on Long Island, New York and raised in Florida. She currently resides in Los Angeles with her family.