From Wikipedia
Catherine Lacey (6 May 1904 – 23 September 1979) was an English actress of stage and screen.
She made her film debut in 1938 as the secretive nun who wears high heels in the Alfred Hitchcock film The Lady Vanishes, but was credited as Catherine Lacy. She was subsequently cast in major films like I Know Where I'm Going! (1945), The October Man (1947), Whisky Galore! (1949), The Servant (1963) and The Fighting Prince of Donegal (19...
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The Shadow of the Cat
As Ella Venable
The Servant
As Lady Agatha Mounset
Whisky Galore!
As Mrs. Waggett
Wine of India
As Bee
The Mummy's Shroud
As Haiti
The Sorcerers
As Estelle Monserrat
I Know Where I'm Going!
As Mrs. Robinson
Pink String and Sealing Wax
As Miss Porter
Rockets Galore
As Mrs Waggett
Innocent Sinners
As Angela Chesney
When The Bough Breaks
As Almoner
The White Unicorn
As Miss Cater
Carnival
As Florry Raeburn
Marco Millions
Another Sky
As Selena Prouse
Crack in the Mirror
As Mother Superior
Poison Pen
As Connie Fateley
The Master Builder
As Mrs. Solness
Castle of Crimes
As Francine Rollard
The October Man
As Miss Selby
The Solitary Child
As Mrs. Evans
All's Well That Ends Well
As Countess of Rousillon
The Man in the Sky
As Mary's mother
The Lady Vanishes
As The Nun
Cottage to Let
As Mrs. Stokes
The Private Life of Sherlock Holmes
As Woman in Wheelchair
Mrs. Palfrey at the Claremont
As Mrs. Arbuthnot
Gideon's Way
As Sarah Fischer
Journey to the Unknown
The Rivals of Sherlock Holmes
As Mrs Steinberg
The Six Wives of Henry VIII
As Dowager Duchess of Norfolk
Maigret
The Human Jungle
As Mrs. Box