Ruth Gemmell is an English actress. She had her career beginnings in the 1990s. She first appeared in the film Who Needs a Heart, followed by another movie role in Fever Pitch. On television, her first regular role was as Kerry Cox in BBC series Silent Witness. She next appeared as Lady Macduff in the TV movie Macbeth. In the 2000s, she guest-starred in such shows as Holby City, Dalziel and Pascoe, Waking the Dead, and Spooks, among others. She later starred as Carly Beaker in the TV film Tracy Beaker: The Movie of Me. From 2008 to 2009, she played the part of Linda Cummings in Waking the Dead. She also became known for her role as Debra Dean in EastEnders. In the 2010s, Gemmell played Jen Dugdale in Channel 4’s Utopia, as well as played Octavia Putney in Penny Dreadful. This year, she starred as Lady Violet Bridgerton in the new Netflix series Bridgerton.