Katherine Willis is an American actress best known for her role as Diana Lord on the Amazon Prime series "Tell Me Your Secrets". She is also known for her work on NBC's "Friday Night Lights", playing Joanne Street, the mother of paralyzed quarterback Jason Street, and for her roles on: NBC's "The Blacklist", HBO's "The Leftovers", USA Network's "Queen of the South", and the Nat Geo miniseries "The Long Road Home". Katherine started acting in theater. She attended Brigham Young University on a theater scholarship. Born on the South Pacific island of Tonga, and the fourth of seven children, her childhood was spent in rural Missouri on a 200 acre farm.