Guest Stars Nicola Sanderson as SOCO Joy Ackroyd Prue Clarke as Lady Justice Blythe Wunmi Mosaku as Tamika Vincent Paul Bown as John Stirman Simone James as Jardine Evaristo Robbie Gee as Jackson Marshall Siobhán McCarthy as Governor Jane O'Brien Tim Wallers as Clive Waring Paul Chequer as Steve Atwell Rod Arthur as Ralph Dawson Celyn Jones as Ellis Bevan Algina Lipskis as Kalina Catherine Hammond as Mrs. Vincent Ebony Newton as Kelisha Korie Lindsey-White as Shanay Uncredited Robert Glenister voices Opening Narration