Diana Wynyard, CBE (16 January 1906 – 13 May 1964), whose birth name was Dorothy Isobel Cox, was an English stage and film actress. Description above from the Wikipedia article Diana Wynyard, licensed under CC-BY-SA, full list of contributors on Wikipedia
An Ideal Husband
(Gertrude Chiltern)
Island in the Sun
(Mrs. Fleury)
Rasputin and the Empress
(Princess Natasha)
Tom Brown's Schooldays
(Mrs. Arnold)
Gaslight
(Bella Mallen)
Cavalcade
(Jane Marryot)
On the Night of the Fire
(Kit Kobling)
Kipps
(Helen Walshingham)
Men Must Fight
(Laura Seward)
Reunion in Vienna
(Elena King)
Mayerling
(The Empress Elizabeth)
One More River
(Claire Corven)
The Prime Minister
(Mary Anne)
Freedom Radio
(Irena Roder)
Let's Try Again
(Alice Overton)
Where Sinners Meet
(Anne)
The Feminine Touch
The Ed Sullivan Show
(Self)