The 24-year-old actress stars alongside Ethan Hawke in the upcoming thriller, and it could be her most risqué role to date.

The film, which is currently being previewed in the US, is set for release in the UK in August 2015.

However, according to The Sun, one reviewer has already swali Emma's sexy scene, describing it as "useless and ineffective".

They added: "You can see her breasts but they are partially obscured

he movie, which is being directed kwa Alejandro Amenábar, is set in a small Minnesota town in 1990.

Detective Bruce Kenner (played kwa Ethan) investigates the case of young Angela (played kwa Emma), who accuses her father, John Gray (played kwa David Dencik), of an unspeakable crime.

When John unexpectedly and without recollection admits guilt, psychologist Dr. Raines (played kwa David Thewlis) is brought in to help him relive his memories and they unmask a horrifying nationwide mystery.

Dale Dickey, Lothaire Bluteau and Devon Bostick also nyota in the upcoming film.