Mrs. Harris is a 2005 American-British made-for-television drama film written and directed by Phyllis Nagy. The teleplay, based on the book Very Much a Lady by Shana Alexander, focuses on the tempestuous relationship between Herman Tarnower, noted cardiologist and author of the New York Times bestseller The Complete Scarsdale Medical Diet, and headmistress Jean Harris. Produced by Killer Films, Number 9 Films, and John Wells for HBO Films, it premiered at the Toronto International Film Festival on September 16, 2005, before its broadcast on HBO on February 25, 2006.

Ellen Burstyn is an American actress. Known for her portrayals of complex women in dramas, she is the recipient of numerous accolades, including an Academy Award, a Tony Award, and two Primetime Emmy Awards, making her one of the few performers to achieve the "Triple Crown of Acting". She has also received a BAFTA Award and a Golden Globe Award.