Karen L. Hall aka Karen Hall-Walker (born Karen Lynne Hall March 25, 1957) co-wrote the story for the Season 4 episode of Quantum Leap title "Leap of Faith" with Nick Harding and Tommy Thompson. television writer best known for her work on the CBS television series Judging Amy and the long-running CBS-TV series M*A*S*H. Hall is also the author of the novel Dark Debts, a supernatural thriller combining horror, Southern Gothic, humor, romance and theological mystery. Dark Debts was a Book of the Month Club main selection and has been translated into French, German and Japanese.