Rosemary A. Frankau (born 1933 in London) is a British actress perhaps best known for playing Beattie Harris in nine series of the sitcom Terry and June between 1979 and 1987.
Frankau's first television appearance was in an episode of the BBC's Sunday Night Theatre (1954); she acted in Emergency-Ward 10 and The New Adventures of Charlie Chan, both in 1957. Other early appearances include roles in The Man Who Finally Died (1959), No Hiding Place (1962), Six Shades of Black (1965), You Can't Win (1966), Intrigue (1966), Callan (1967), The Dustbinmen (1970), General Hospital (1973–75), Within These Walls (1975), Robin's Nest (1977), The Duchess of Duke Street (1977), Yes Minister (1981),I Remember Nelson (1982), Nobody's Hero (1982), The Cleopatras (1983), Mitch (1984), No Place Like Home (1984–86), Terry and June (1979-1987),Bergerac (1987), Boon (1990), 2point4 Children (1993), and Big Women (1998).