The Eyes of Annie Jones

The Eyes of Annie Jones is a 1964 British drama film directed by Reginald Le Borg and starring Richard Conte, Francesca Annis and Joyce Carey. In the film a sleepwalking young woman is involved with a murder.

It turns out David has been embezzling from the family and hired Lucas to do the killing. A sleepwalking Annie seems to be possessed by the dead womans spirit, saying things like, They wont let me rest. When she approaches a spot where the body is buried, David has to prevent Lucas from killing the girl.The two men have a falling out over money Lucas is still owed. The police become suspicious of him and Lucas ends up dying after crashing his speeding car. David is arrested and the body and soul of Geraldine had indeed not been allowed to rest, now found in the cars trunk. ........

Source: Wikipedia