Bill Maynard: Bill Maynard. Actor: Heartbeat. Actor and comedian fondly remembered as the curmudgeonly reprobate Claude Jeremiah Greengrass in the long-running nostalgic police drama Heartbeat (1992). Greengrass had been written as a minor background character, but -- given a fair amount of latitude for interpreting his part -- Maynard was able to infuse the old rascal with outsize personality and humour which resulted into his becoming a popular mainstay. The son of...