Ann Morgan Guilbert

Ann Morgan Guilbert (October 16, 1928 Minneapolis, Minnesota, USA – June 14, 2016 Los Angeles, California, USA), sometimes credited as Ann Guilbert, was an American television and film actress who portrayed a number of roles from the 1950s on, most notably as Millie Helper in 61 episodes of the early 1960s sitcom The Dick Van Dyke Show, and later Yetta Rosenberg, Fran Fine's doddering grandmother, in 56 episodes of the 1990s sitcom The Nanny.