Guest Stars Isobelle Molloy as Ruby Williams Sophia del Pizzo as DS Nikki Martel Rohan Nedd as Charlie Nolan Angela Wynter as Monica Catherine Bailey as Fi Martson Su Elliot as Jinty Stevens Alastair Parker as Joseph Conroy Jordan Mifsud as Dimitri Clea Martin as Emily Hurst Victor Oshin as Kane Bishop Alan Mehdizadeh as Suit