Eloise Mumford (born September 24, 1986) is an American actress known for her roles on the television series Lone Star, The River, and the Fifty Shades of Grey films.
Mumford, the middle child of parents Tom Mumford and Nancy Smith, was born and raised in Olympia, Washington, where she was home-schooled through fifth grade. She later attended the Annie Wright School in Tacoma, Washington, and Capital High School in Olympia. She has an older sister, Anna, and a younger brother, Kai. Mumford, inspired at age seven by a local production of South Pacific, performed in high-school plays and at Olympia's Capital Playhouse.
She graduated in 2009 from New York University's Tisch School of the Arts, She also is an alumnus of the Atlantic Acting School While in college, Mumford starred with Jesse Eisenberg in director Maggie Kiley's well-received short film "Some Boys Don't Leave". She understudied Elisabeth Moss in the Broadway production of Speed the Plow.