(born February 17, 1935) is an English actress who plays Rita Aldrin
's grandmother, in How I Met Your Mother
She has appeared in such television shows as Roseanne, Matlock, Diagnosis: Murder and Murder, She Wrote, as well as the soap operas The Guiding Light and Another World, though it was her role in St. Elsewhere (1982–1988) with which she is most identified.
Pickles played the mother of Harmon Rabb, in the television series, JAG. She also appeared as Judy Geller in the U.S. sitcom Friends.
Pickles has appeared in many films including Masters of the Universe, Rush It, The Wedding Singer,Sol Goode and George of the Jungle 2.