Jake Gyllenhaal in Demolition. Jake Gyllenhaal Demolition Man by Jay S. Jacobs When you meet him, it’s striking how normal and sane Jake Gyllenhaal seems.  Not that anyone has questioned that aspect of his life, but as an actor the young Hollywood star has had a tendency to gravitate towards crazy roles – from his breakout performance in Donnie Darko to last year’s pitch black morality plays Nightcrawler and Southpaw. Gyllenhaal’s latest role also has some blips in its sanity