Biography
Jessie Royce Landis (born Jessie Medbury; November 25, 1896 – February 2, 1972) was an American actress. Her name is also seen as Jesse Royce-Landis. She remains perhaps best-known for her mother roles in the Hitchcock films To Catch a Thief (1955) and North by Northwest (1959). Description above from the Wikipedia article Jessie Royce Landis, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Known For
Goodbye Again
Mrs. Van der Besh
The Swan
Princess Beatrix
Bon Voyage!
Countessa 'La Comtesse' DuFresne
To Catch a Thief
Jessie Stevens
North by Northwest
Clara Thornhill
Derelict
Helen Lorber
Boys' Night Out
Ethel Williams
Main Street to Broadway
Self (uncredited)
Grace Kelly: The American...
Self (archive footage)
Gidget Goes to Rome
Albertina Blythe