From Wikipedia
Belle Chrystall (25 April 1910 – 7 June 2003) was a British actress who appeared in a number of leading roles in British films during the 1930s. She was born in Preston, Lancashire in 1910. She came to London and after appearing on stage was given a minor part in a film A Warm Corner, directed by Victor Saville but she was given no more work after that. The filming of Hindle Wakes led her to apply for the part of Jenny Hawthorne which led her to become an instant success. She made her last film in 1940.
Biography from Wikipedia, CC BY-SA. Credits and photos from TMDB.
The titles people know Belle from.

as Ann Upcott
as Elizabeth

as Sucal Hurrin

as Nora Grayson

as Lydia Blake
as Ruth Manson

as Mary Stanton
as Mary Summers

as Aisla Crane