Ruth E. Foster (January 29, 1920 – May 12, 2012) was an American actress best known for portraying Walnut Grove's postmaster Melinda Foster for several seasons on the NBC TV series Little House on the Prairie (1974–1983).

Aunt Ruby (uncredited)
Little House on the Prairie

Customer (uncredited)
Fitzwilly

Grumpy Man's Wife
Dimension 5

Passenger
The Poseidon Adventure

Wedding Guest (uncredited)
The War Between Men and Women

Citizen in Crowd
Cyborg 2087

Party Guest (uncredited)
The Towering Inferno

Woman in Plaza (uncredited)
Conquest of the Planet of the Apes

Mrs. Foster
Little House: The Last Farewell

Melinda Foster
Little House: Bless All the Dear Children

Melinda Foster
Little House on the Prairie: A Merry Ingalls Christmas
Known For
Acting
Known Credits
11
Gender
Female
Birthday
1920-01-29
Place of Birth
Cincinnati, Ohio, USA
Also Known As
Ruth A. Foster