Elaine Cassidy is an Irish actress. She had her career beginnings in the mid-1990s. She made her debut in a short film. She then made her first TV appearance in Mission Top Secret. She went on to appear in the movies The Sun, the Moon and the Stars and Felicia’s Journey. In the 2000s, she mostly acted in the made-for-television films The Lost World, Watermelon, as well as in the miniseries Fingersmith. She later starred as Amy Harris in the series The Ghost Squad. Subsequently, she acted in the TV films A Room with a View and Little White Lie. She became further known for her role as Abby Mills in the US miniseries Harper’s Island. In the 2010s, she starred as Katherine Weston in the show The Paradise. As of 2015, she stars as Dinah Kowalska in the series No Offence.