Actor
- Pride and Prejudice Revisited (2005) .... Elizabeth Bennet (archive footage) (uncredited)
- Victory in the Pacific (1995) .... Herself (archive footage)
- Entertaining the Troops (1994) .... Herself (archive footage)
- That's Entertainment! III (1994) .... Herself, film clip (archive footage) (uncredited)
- Directed by William Wyler (1986) .... Herself
- A Gift of Music (1981) .... Host
- Christmas in New Mexico (1979) .... Herself
- Rockette: A Holiday Tribute to Radio City Music Hall (1978) .... Herself
- Little Women (1978) .... Aunt Kathryn March
- The Little Drummer Boy Book II (1976) .... Our Story Teller (voice)
- That's Entertainment, Part II (1976) .... Clip from 'Goodbye Mr. Chips' (archive footage)
- The Little Drummer Boy (1968) .... Our Story Teller (voice) (as Miss Greer Garson)
- The Happiest Millionaire (1968) .... Mrs. Cordelia Biddle
- The Singing Nun (1966) .... Mother Prioress
- The Invincible Mr. Disraeli (1963) .... Mary Anne Disraeli
- At This Very Moment (1962) .... Herself
- Pepe (1960) .... Herself, Cameo appearance
- Sunrise at Campobello (1960) .... Eleanor Roosevelt
- The Big Party (1959) .... Hostess (1 episode, 1959)
- Star Stage (1955) .... (1 episode, 1956)
- Strange Lady in Town (1955) .... Dr. Julia Winslow Garth
- A Star Is Born World Premiere (1954) .... Herself
- Her Twelve Men (1954) .... Jan Stewart
- Julius Caesar (1953) .... Calpurnia
- Scandal at Scourie (1953) .... Mrs. Victoria McChesney
- The Law and the Lady (1951) .... Jane Hoskins aka Lady Jane Loverly
- The Miniver Story (1950) .... Kay Miniver
- Screen Actors (1950) .... Herself (uncredited)
- That Forsyte Woman (1949) .... Irene Forsyte
- Some of the Best (1949) .... Herself (uncredited)
- Julia Misbehaves (1948) .... Julia Packett
- Desire Me (1947) .... Marise Aubert
- Adventure (1945) .... Emily Sears
- The Valley of Decision (1945) .... Mary Rafferty
- The Youngest Profession (1944) .... Herself - Guest Star
- Mrs. Parkington (1944) .... Susie 'Sparrow' Parkington
- Random Harvest (1943) .... Paula Ridgeway
- Madame Curie (1943) .... Marie Curie
- Mrs. Miniver (1942) .... Mrs. Miniver
- When Ladies Meet (1941) .... Mrs. Claire Woodruff
- Blossoms in the Dust (1941) .... Edna Kahly Gladney
- Pride and Prejudice (1940) .... Elizabeth Bennet
- The Miracle of Sound (1940) .... Herself - color test for Blossoms in the Dust
- Remember? (1939) .... Linda Bronson Holland
- Goodbye, Mr. Chips (1939) .... Katherine
- From the Ends of the Earth (1939) .... Herself (archive footage)
- How He Lied to Her Husband (1937) ....
- The School for Scandal (1937) ....
- Twelfth Night (1937) ....
- Theatre Parade (1936) .... Yasmin (4 episodes, 1937)
- On Golden Pond (1982) .... producer: Broadway play


