Known for her supporting roles, Kim Walker was an up and coming young actress in Hollywood before retiring from the business in the late 1990s. As a teen she landed a few guest roles in series such as "Matlock" (1986) and "Highway to Heaven" (1984) before moving on to supporting roles in feature films such as Say Anything... (1989) and several made-for-television films. However, Kim Walker will forever be remembered for her role as Heather Chandler in the now cult-classic Heathers (1988) which starred a young Winona Ryder in her first starring…