About
Gretchen Mol, born November 8, 1972, is an American actress. She is known for her role as Gillian Darmody in the HBO series 'Boardwalk Empire' (2010–2014). Mol has appeared in a variety of films, including 'Rounders' (1998), 'Celebrity' (1998), 'The Thirteenth Floor' (1999), and 'Manchester by the Sea' (2016). She also played the title character in 'The Notorious Bettie Page' (2005).
Career Timeline
Early Film Appearances
Appears in several films, gaining early recognition.
Rounders & Celebrity
Gains attention for roles in high-profile films.
Bettie Page Role
Stars in The Notorious Bettie Page, earning acclaim.
Boardwalk Empire
Cast as Gillian Darmody in HBO series, a major role.
Boardwalk Empire Ends
The series concludes, and Gretchen seeks new roles.
Manchester by the Sea
Appears in the acclaimed film, Manchester by the Sea.
Yellowstone
Appears in Paramount's Yellowstone.
Active in Film & TV
Continues acting in film and television, maintaining her career.
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Last updated: February 21, 2026