Hermione Norris is an English actress. She attended the London Academy of Music and Dramatic Art in the 1980s, before taking small roles in theatre and on television. In 1996, she was cast in her breakout role of Karen Marsden in the comedy drama television series Cold Feet. She appeared in every episode of the series from 1998 to 2003 and was nominated for a British Comedy Award.

Cold Feet is a British comedy-drama television series produced by Granada Television for the ITV network. The series was created and principally written by Mike Bullen as a follow-up to his 1997 Comedy Premiere special of the same name. The series follows three couples experiencing the ups-and-downs of romance, originally Adam Williams and Rachel Bradley, Pete and Jenny Gifford and Karen and David Marsden. As the original series progressed, the Giffords divorced and Pete married Jo Ellison, whilst Karen and David also separated, forming relationships with Mark Cubitt and Robyn Duff.