Elizabeth Marvel is an American actress, best known as Heather Dunbar on Netflix's House of Cards, Alicia Corwin on CBS's Person of Interest, and Detective Nancy Parras on CBS' The District.

Film credits include The Phenom, The Congressman, True Grit, Burn After Reading, Ten Hundred Kings, and Synecdoche, New York.

Theatre credits include her Broadway debut as Masha in The Seagull and Duchesse de la Trémouille in Saint Joan (Lyceum Theatre), Rosemary Sydney in Picnic (American Airlines Theatre), Brooke Wyeth in Other Desert Cities and Sarah in Seascape (Booth Theatre), Marlene in Top Girls (Biltmore Theatre), Quincy Quince in An American Daughter (Cort Theatre), and Emmi Straube in Taking Sides (Brooks Atkinson Theatre); and her Off-Broadway OBIE Award-winning roles as Lina Szczepanowska in Misalliance (Laura Pels Theatre), Hedda Gabler in Hedda Gabler and Blanche DuBois in A Streetcar Named Desire (N.Y. Theatre Workshop), and Thérèse Raquin in Thérèse Raquin (Classic Stage).