Gretchen Mol

Gretchen Mol (born November 8, 1972) is an American actress and former model. She is known for her roles in films like Rounders, Celebrity, 3:10 to Yuma, The Thirteenth Floor, and The Notorious Bettie Page, where she played the title character. She currently appears as Gillian Darmody in HBO's Boardwalk Empire.