Helena Dennis

Helena Dennis. Actress: The Undeclared War. Helena Dennis is known for her work on Casualty (2012), Being Human (2012), Wizards vs. Aliens (2012), Doctor Who (2013), Da Vinci's Demons (2013), Atlantis (2013), Stella (2014), Class (2016), Ordinary Lies (2016), Sherlock (2017), National Treasure: Kiri (2018), Requiem (2018), Show Dogs (2018), Apostle (2018), A Discovery of Witches (2018), Gangs of London (2020) and Industry (2020).