Gretchen Mol is an American actress best known for playing the title role in the 2006 feature film The Notorious Bettie Page; and for her role as Annie "No Nuts" Norris in the American remake of the British sci-fi television series Life on Mars.
She is also known for her role (initially recurring and later starring) as Gillian, the mother of Jimmy Darmody, on the period drama television series Boardwalk Empire.
Connecticut native Mol got her start in Godspell and 110 in the Shade in summer stock before dancing and singing as Roxie Hart in Chicago on Broadway in 2004.
Her film career was launched in 1996 when she was cast in Spike Lee's Girl 6, and she later starred in Rounders, with Matt Damon, and Celebrity, directed by Woody Allen, with Leonardo DiCaprio.
She reunited with Allen in 1999 for Sweet and Lowdown.
Mol was nominated for a SAG award as a member of the cast of 3:10 to Yuma and a Satellite award for her portrayal of pinup star Bettie Page in the HBO Films' theatrical release The Notorious Bettie Page.
Mol's TV credits include the David E. Kelley series Girls Club, and in 2007 she co-starred as Annie Norris on ABC's critically acclaimed sci-fi series Life on Mars.