Christopher Walken doesn't act so much as haunt. He has a rhythm all his own: those odd pauses, that whisper-turned-threat delivery, and when he's onscreen, even for a minute, everything else starts ...

As the legendary, unmistakably eccentric actor turns 83 today, we look back at the cinematic masterpieces, terrifying villains, and unforgettable monologues that have defined his extraordinary ...