Guest Stars Sean Pertwee as DI John Flynn Zoe Boyle as Sara Sanderson Julie Graham as Elinor Shaw Cavan Clerkin as Ian Fish Tessa Wong as DC Alice Kirk Molly Harris as May Lwin Rocky Marshall as Mark Foster Rob Pavey as Roger Gallop Arkar Hayne as Htin Lwin Nay Windermere as Zaw Matt Hermiston as Jan Boll William Nadylam as Dr Emmanuel Moussa Vinna Law as Teenage Girl ZuZuu Ellis as Tasmida Senora D'Mello as Young Rohingya Mother Anthony Cozens as Kenny Tate Anna Kitson as Remote BSL Interpreter