Diana Sowle (June 19, 1930 – October 19, 2018) was an American actress. She was born in California. Sowle was known for her roles as Mrs. Hellen Bucket in the 1971 hit movie "Willy Wonka & the Chocolate Factory" and as a variety of characters in the video game "Fallout 3". Her only other screen roles were in 1994, when she appeared in "Clear and Present Danger" and "Guarding Tess".