Marcus Bentley is a broadcaster.
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 Morgan Bentley ( born 4 October 1967 ) is a British actor , broadcaster and voice-over artist . Bentley is most famous for narrating the United Kingdom 's version of the Dutch reality television programme Big Brother since its inception in 2000 . He also did other continuity announcements for Channel 4 until he left in July 2011 to continue narrating the revived Big Brother on Channel 5 . Bentley 's voice-over work and Geordie accent has led to him becoming one of Britain 's most recognised voices .