About
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
Grace Kelly: The American Princess1987 · Self (archive footage)
Mr. and Mrs. Bo Jo Jones1971 · Grandmother Greher
The Ceremony of Innocence1970 · Queen Mother Alfreda
Airport1970 · Harriet DuBarry Mossman
Gidget Goes to Rome1963 · Albertina Blythe
Critic's Choice1963 · Charlotte Orr aka Charlie
Boys' Night Out1962 · Ethel Williams
Bon Voyage!1962 · Countessa 'La Comtesse' DuFresne
Goodbye Again1961 · Mrs. Van der Besh
A Private's Affair1959 · Elizabeth T. Chapman
North by Northwest1959 · Clara Thornhill
I Married a Woman1958 · Mrs. Blake
My Man Godfrey1957 · Angelica Bullock
The Girl He Left Behind1956 · Mrs. Madeline Shaeffer
The Swan1956 · Princess Beatrix
To Catch a Thief1955 · Jessie Stevens
Main Street to Broadway1953 · Self (uncredited)
Meet Me Tonight1952 · Olive Lloyd Ransome (segment "Ways and Means")
Mother Didn't Tell Me1950 · Mrs. Wright
My Foolish Heart1950 · Martha Winters