Dianne Wiest is an American actress. Dianne Wiest has had a successful career on stage, television, and film. She has also been nominated for a BAFTA Award. Her father was a college dean and former psychiatric social worker for the U.S. Army, and her Scottish-born mother, Anne, worked as a nurse.

Dianne Wiest has two brothers, Greg and Don. Her original ambition was to be a ballerina, but in late high school she switched her goal to theatre. Dianne Wiest made her film debut in It`s My Turn, but did not establish herself as a film actress until her work for Woody Allen in the 1980s.

Wiest graduated from the University of Maryland in 1969 with a degree in Arts and Sciences. Dianne was in a long-term relationship with a New York talent agent, Sam Cohn, for many years. Dianne Wiest has two adopted daughters, Emily and Lily.