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 Vinna Law as Teenage Girl Anna Kitson as Remote BSL Interpreter William Nadylam as Dr Emmanuel Moussa ZuZuu Ellis as Tasmida Anthony Cozens as Kenny Tate Senora D'Mello as Young Rohingya Mother