"Orphan" was a big surprise for me. I did not expect to like this film like I did, but the film had me in B Horror Movie bliss. The two things that impressed me most about the film was the acting of Isabella Furhman, but also the ending that you did not see coming at all. And it was an ending that lived up to the hype of being a shock ending.
Too many movies these days boast this claim and when the twist does come, it fails. OOOH IT'S ACTUALLY THE MOTHER WHO IS KILLING! OOH SHE HAS A SPLIT PERSONALITY! OOOOH THEY ARE IN MODERN TIMES AND NOT THE 19TH CENTURY!
However, there are those films that come around where the ending really makes you go WHAT!?!?! when it happens. This post is a SPOILER FREE post about that (and no, The Crying Game is not on this list because the surprise happened in the middle of the film, not the ending). So here is what I feel are (in no particular order) the 25 best shock twist endings ever (not including "Orphan")
Planet of the Apes (1968)
The Empire Strikes Back
The Usual Suspects
The Bad Seed
Whatever Happened To Baby Jane?
Million Dollar Baby
The Invasion of the Body Snatchers (1978)
April Fool's Day (1986)
Looking For Mr Goodbar
Stephen King's The Mist
No Way Out
Night Of The Living Dead (1968)
On Her Majesty's Secret Service
The Stepford Wives (1975)
They Shoot Horses, Don't They?
When A Stranger Calls
What are yours?