From Wikipedia, the free encyclopedia. Lonny Chapman (October 1, 1920 – October 12, 2007) was an American television actor best known for his numerous guest star appearances on detective dramas, including Quincy, M.E., The A-Team, Murder, She Wrote, Matlock, and NYPD Blue. He also appeared as a guest star on the CBS adventure/drama Harbourmaster, starring Barry Sullivan, and on the same network's anthology series The Lloyd Bridges Show. He guest starred too in several episodes of NBC's McCloud, which starred his long-time friend Dennis Weaver, whom Chapman had originally urged to go into show…