Broadway

• Hot Spot (1963) as Sue Ann
• Flora, The Red Menace (1965) as Comrade Ada
• Lovers and Other Strangers (1968) as Bernice
• Noël Coward's Sweet Potato (1968)
• Promises, Promises (1968) as Marge MacDougall
• Watercolor & Criss-Crossing (1970)
• The Women (1973) as Nancy Blake
• Gypsy: A Musical Fable (1974) as Tessie Tura
• The Royal Family (1975) as Kitty Dean
• The Importance of Being Earnest (1977) as Miss Prism
• The Philadelphia Story (1980) as Elizabeth Imbrie
• Fools (1981) as Lenya Zubritsky
• Alice in Wonderland (1982) as the Red Queen
• The Odd Couple (1985) as Mickey
• Cabaret (1998) as Fräulein Schneider
• The Women (2001) as Mrs. Morehead
• Grey Gardens (2006) as Edith Bouvier Beale (Tony Award)
• On the Twentieth Century (2015) as Letita Peabody Primrose

Off-Broadway

• Full Gallop (1996) (co-author, winner of the Drama Desk Award for Outstanding One-Person Show)
• The Beard of Avon
• Bosoms and Neglect (1998)
• Flaubert's Latest
• Sister Mary Ignatius Explains It All for You
• Grey Gardens (2006)

Filmography

• Klute (1971) as an ad agency secretary
• Going Home (1971) as Mrs. Green the real estate lady
• Up the Sandbox (1972) as Betty
• King of the Gypsies (1978) as Ivy
• The Best Little Whorehouse in Texas (1982) as Miss Mo-dene
• Zelig (1983) as Ruth, Zelig's half-sister
• Teachers (1984) as teacher
• The Money Pit (1986) as Benny's mom
• Cheap Shots (1989) as Dotty
• Pet Sematary (1989) as Dory Goldman
• She-Devil (1989) as Mrs. Trumper
• Everybody Wins (1990) as Jean
• Green Card (1990) as Mrs. Sheehan
• The Adventures of Huck Finn (1993) as Miss Watson
• Mr. Wonderful (1993) as Muriel Manners
• Stepmom (1998) as Mrs. Franklin
• 24 Nights (1999) as Lillian
• Searching for Paradise (2002) as Evelyn Greenslate
• The Third Date (2003) as Lulu
• Psychoanalysis Changed My Life (2003) as Dr. Anya Zurmer
• Nebraska (2013) as Aunt Martha

Television

• All My Children (1970) as Millicent Greenlee (1999-2000)
• The Royal Family (1977) as Kitty Dean
• One Day at a Time (1976-1977) as Ginny Wroblicki
• Maude (1978) as Congresswoman Irene McIlhenny
• Lou Grant (1982)
• A Mistaken Charity (1986) as Mrs. Simmonds
• Tales from the Darkside (1986)
• The Thorns (1988)
• Blind Spot (1993) as Mrs. Deitz
• Remember WENN (1996)
• Cosby (1999)
• Frasier (2000)
• The Sopranos (2000) as Catherine Romano
• A Season for Miracles (1999) as Corinna
• The Women (2002) as Mrs. Morehead
• Louie (2010) as Dorethy, Louie's mother
• Nurse Jackie (2012) as Doris