- Retained her British citizenship after her family moved to Manhattan, but considers herself to be an American actress.
- Made her silver-screen debut in 1969 in Anne of the Thousand Days, which starred her famous father, Richard.
- Was nominated for two Tony Awards in 2002 for her work in Hedda Gabler and The Elephant Man.
- Received an honorary doctorate from Brown University, her alma mater, in 2007.
- Portrayed all of the adult female roles in the 2008 hit Broadway show Spring Awakening.
- Narrated audio books for novels written by Patricia Cornwell, Lisa Scottoline, Iris Johansen and Dean Koontz.