TOM'S 'MISSION' SCARE

Scary moment on the Mission: Impossible 3 set when a sudden explosion that sounded like a loud gunshot sent star TOM CRUISE — plus cast and crew — diving for cover! Fearing a possible terrorist attack, everyone stayed hunkered down until a technician on a catwalk high above the soundstage hollered, "All clear!" Turns out he'd been changing a high-powered bulb when it slipped from his hands and exploded like a bomb a split-second after he yelled, "Hit the deck!"...