The film sees the Dubliner reunited with director Yorgos Lanthimos: the two worked together on the Irish dystopian drama 'The Lobster', which also scooped a prize at Cannes last year.
The thriller-horror, which is a story about a surgeon who adopts a teenage boy played by 'Love/Hate' star Barry Keoghan, also stars Nicole Kidman as the wife of Farrell's character. It is is co-produced by Dublin film company Element Pictures.

The Swedish film 'The Square' won the coveted Palme D'or. While Sofia Coppola won Best Director for 'The Beguiled', which also stars Colin Farrell.
And Joaquin Phoenix won Best Actor for 'You Were Never Really Here' and Diane Kruger won Best Actress for her role in 'In The Fade'.