Big Brother 18 (UK) is narrated by Marcus Bentley for two episodes.
Big Brother 2017 , also known as Big Brother 18 , is the upcoming eighteenth series of the British reality television series Big Brother , hosted by Emma Willis and narrated by Marcus Bentley . Marcus Bentley . Bentley is most famous for narrating the United Kingdom 's version of the Dutch reality television programme Big Brother since its inception in 2000 .