Trivia: When Arnie and Leigh discover that the car has been trashed at Darnell's Garage and Arnie suddenly turns on Leigh, yelling at her and shoving her backwards, note the look of shock on her face - it's real. Keith Gordon (Arnie) explains on the DVD that in rehearsing the scene, he purposely didn't react as violently, so when the scene was shot, his behavior change actually shocked Alexandra Paul (Leigh). (00:57:20)
Trivia: One time Alexandra Paul brought her twin sister Caroline to the set and successfully pranked director John Carpenter.
Chosen answer: Hydraulics and wires were set up inside the body to pull the panels in and crumple them. Then the film of this happening was simply run backwards.
Grumpy Scot