Best Thrillers of all time

Psycho

In 1960, Alfred Hitchcock was already famous as the screen's master of suspense when he released Psycho he changed the shape and tone of the screen thriller forever. 
Storyline: Marion Crane is unhappy in her job at a Phoenix, Arizona real estate office and frustrated in her romance with hardware store manager Sam Loomis. One afternoon, Marion is given 40,000$ in cash, to be deposited in the bank. Minutes later, impulse has taken over and Marion takes off with the cash, hoping to leave Phoenix for good and start a new life with her purloined nest egg. 36 hours later, paranoia and exhaustion have started to stein, and Marion decides to stop for the night at he Bates Motel, where nervous but personable innkeeper Norman Bates cheerfully mentions that she's the first guest in weeks, before he regales her with curious stories about his mother. There's hardly a film fan alive who doesn't know what happens next. "The Shower Scene".

Se7en

It is and American Thriller film which was produced 1995. Its with Star actors Brad Pitt and Morgan Freeman. 
Storyline: Its about two homicide detectives desperate hunt for a serial killer who justifies his crimes as absolution for the worlds ignorance of the Seven Deadly Sins. The movie takes us from the tortured remains of one victim to the next as the sociopathic "John Doe" sermonizes to Detectives Sommerset and Mills. 

Unknown Identity

The Main Character in this movie is one of the best actors out of the genre Liam Neeson. The director is Jaume Collet-Sara.

Storyline: A man awakens from coma, only to discover that someone has taken on his identity and that no one; (not even his Wife), believes him. With the help of a young woman, he sets out to prove who he is.