Katie Finneran has been getting a lot of attention for playing Leigh Henry, the sister of Michael J. Fox's character on his eponymous TV show, But theater audiences had been following her long before "The Michael J. Fox Show" debuted in September 2013.
She's appeared in revivals of The Iceman Cometh and the musical Promises, Promises (for which she won the 2010 Tony for Best Featured Actress in a Musical), and she was part of the original cast of the Nora and Delia Ephron play Love, Loss, and What I Wore. She is also widely known for playing Sally Bowles in the 1998 Broadway revival of Cabaret.
The New York Times theater critic Peter Marks once described her as an actress who "has played barflies and rich girls, giggly ingénues and world-weary lowlifes."