Jessica Biel in 'The Tall Man' international trailer - watch
Biel stars as a single mother who moves to a small town where several children have mysteriously gone missing.
The film has been written and directed by Pascal Laugier, best known for his 2008 horror film Martyrs.
Also starring in the atmospheric thriller are Jodelle Ferland, William B Davis and Stephen McHattie.
The 30-year-old Biel just wrapped filming on Hitchcock, where she plays film actress Vera Miles.
The Tall Man is due for release on August 31 in the US.