
Estelle Reiner (née Lebost; June 5, 1914 – October 25, 2008) was an American actress and singer, described by The New York Times as "matriarch of one of the leading families in American comedy.” She was the wife of Carl Reiner and the mother of Rob Reiner, Lucas Reiner, and Annie Reiner.
How Harry Met Sally… 2001
as Self (archive footage)
When Harry Met Sally... 1989
as Older Woman Customer
Hot to Trot 1988
as Mrs. Goldblatt
To Be or Not to Be 1983
as Gruba
The Man with Two Brains 1983
as Tourist in Elevator
Fatso 1980
as Mrs. Goodman
Marathon 1980
as Solana's Mother
The Muppets Go Hollywood 1979
as Self (uncredited)
Credits from TMDB.