Clare Dunne discusses her starring role in the Ireland-shot thriller, WITNESS No.3. In her role as Detective Whelan, she is in charge of young mother Jodie (Nina Toussaint-White), who witnesses a killer and his victim moments before he is murdered. Jodie comes forward following a police appeal, unaware how the decision will endanger her own life. WITNESS No.3 is on Wednesdays at 9pm on Virgin Media More.