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.