Katherine Willis is an American actress. She started acting in the 1990s with her debut in the TV show Miracles & Other Wonders, CBS. After a hiatus, she returned in the 2000s, starring in the TV movie Three Wise Guys, USA Network. She then became known for her role as Joanne Street in the NBC series Friday Night Lights. She also guest-starred in an episode of Prison Break. She continued acting in the 2010s, playing Nancy Rogers in 4 episodes of The Lying Game. She later appeared as Kimberly in the ABC series Resurrection. More recently, she had recurring roles as Cathy Smith in The Long Road Home, and Tell Me Your Secrets.