Watch Casebusters (1986) HD Full Movie Free on solarmovie.do. Watch Casebusters (1986) online free. A brother and sister (Noah Hathaway, Virginia Keehne) are amateur sleuths who help their grandfather...A brother and sister (Noah Hathaway, Virginia Keehne) are amateur sleuths who help their grandfather (Pat Hingle) run a security business. While digging around on their own, they accidentally stumble onto a major case.