kwebtv:

  Ann Morgan Guilbert (October 16, 1928 – June 14, 2016), 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.

Her other tv credits include My Three Sons, Hey Landlord , Good Morning World, The Andy Griffith Show, I Dream of Jeannie, The New Andy Griffith Show, Emergency!, Cheers, The Fanelli Boys, Picket Fences, Modern Family, Seinfeld, Life in Pieces  and others.