Jessie Royce Landis
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.
Filmography
Columbo
Ironside
Climax!
Thriller
Alfred Hitchcock Presents
Adventures in Paradise
The Man from U.N.C.L.E.
The United States Steel Hour
Valentine's Day
North by Northwest
Airport
To Catch a Thief
Goodbye Again
My Man Godfrey
Mr. and Mrs. Bo Jo Jones
Meet Me Tonight
Boys' Night Out
Critic's Choice
The Girl He Left Behind
Gidget Goes to Rome
Grace Kelly: The American Princess
My Foolish Heart
Mother Didn't Tell Me
The Swan
It Happens Every Spring
A Private's Affair
Main Street to Broadway
Bon Voyage!
I Married a Woman
Mr. Belvedere Goes to College