What is the scariest film ever?

There is no one definitive answer to this question, as people's opinions on what constitutes a scary film can vary greatly. However, some of the most commonly cited films as being among the scariest ever include:

The Exorcist (1973) directed by William Friedkin

The Texas Chain Saw Massacre (1974) directed by Tobe Hooper

Halloween (1978) directed by John Carpenter - Jamie Lee Curtis makes her debut as Laurie Strode.

Psycho (1960) directed by Alfred Hitchcock

TheShining (1980) directed by Stanley Kubrick featuring Jack Nicholson