Margaret Rutherford
Acting
Dame Margaret Taylor Rutherford DBE (11 May 1892 – 22 May 1972) was an English character actress, who first came to prominence following World War II in the film adaptations of Noel Coward's Blithe Spirit, and Oscar Wilde's The Importance of Being Earnest. She is best-known for her 1960s performances as Miss Marple in several films based loosely on Agatha Christie's novels. Description above from the Wikipedia article Margaret Rutherford, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Truly Miss Marple: The Curious Case of Margaret Rutherford
Self (archive footage)
To See Such Fun
The Virgin and the Gypsy
Grandma (scenes deleted)
The Wacky World of Mother Goose
Mother Goose (voice)
Arabella
Princess Ilaria
A Countess from Hong Kong
Miss Gaulswallow
The Alphabet Murders
Miss Jane Marple (uncredited)
Chimes at Midnight
Mistress Quickly
The Stately Ghosts of England
Herself
Murder Ahoy
Miss Jane Marple
Murder Most Foul
Miss Jane Marple
The V.I.P.s
The Duchess of Brighton
Murder at the Gallop
Miss Jane Marple
The Mouse on the Moon
Grand Duchess Gloriana XIII
Murder She Said
Miss Jane Marple
On the Double
Lady Vivian
I'm All Right Jack
Aunt Dolly
Just My Luck
Mrs. Dooley
The Smallest Show on Earth
Mrs. Fazackalee
An Alligator Named Daisy
Prudence Croquet
Aunt Clara
Clara Hilton
Mad About Men
Nurse Carey
Trouble in Store
Miss Bacon
Innocents in Paris
Gwladys Inglott
The Runaway Bus
Miss Cynthia Beeston
Miss Robin Hood
Heather Honey
The Importance of Being Earnest
Miss Prism
Castle in the Air
Miss Nicholson
Curtain Up
Catherine Beckwith / Jeremy St. Claire
The Magic Box
Lady Pond
Her Favourite Husband
Mrs. Dotherington
The Happiest Days of Your Life
Muriel Whitchurch
Passport to Pimlico
Professor Hatton-Jones
Miranda
Nurse Carey
Meet Me at Dawn
Madame Vernorel
While the Sun Shines
Dr. Winifred Frye
Blithe Spirit
Madame Arcati
English Without Tears
Lady Christabel Beauclerk
Yellow Canary
Mrs. Towcester
The Demi-Paradise
Rowena Ventnor
Quiet Wedding
Second Magistrate
Spring Meeting
Aunt Bijou
Big Fella
Nanny (uncredited)
Catch as Catch Can
'Crafty' Maggie Carberry
Beauty and the Barge
Mrs. Baldwin
Talk of the Devil
Dusty Ermine
Evelyn Summers aka Miss Butterby