Oliver Mansour Jackson-Cohen (born 24 October 1986) is an English actor. He is best known for playing Luke Crain in 'The Haunting of Hill House' and Peter Quint in 'The Haunting of Bly Manor', a Netflix original anthology series.

Jackson-Cohen was born in London, son of David Cohen, a fashion designer and Betty Jackson. He studied at Lycée Français Charles de Gaulle, located in London and at the Youngblood Theater Company on weekends. His first television role came when he was just 14 years old in the series 'Hollyoaks' as Jean-Pierre and later appeared in another television series 'The Time of Your Life' as Marcus in 2007.

In 2008 he played Phillip White in the BBC series 'Lark Rise to Candleford' as Philip White

Oliver Cohen portrayed Damon in the 2010 film 'Going the Distance' also starring Drew Barrymore and Justin Long. Currently, one of his most notable works is in the film 'Faster' playing a murderer beside Dwayne Johnson and Billy Bob Thornton. Between 2002 and 2023, Cohen managed to build a very remarkable career in television, cinema and streaming, having around 26 credits and counting, including series, limited series, films and short films.