The writer-director was partially inspired by a close friend who died of ALS, but ultimatley lost a scene involving the affliction: "That's definitely one that hurt when I took it out."

With Wolf Man, Leigh Whannell's latest horror film and follow-up to another classic Universal Monster reimagining -- the acclaimed The Invisible Man -- the writer/director he saw an opportunity to do exactly that with his own take on the legendary creature. What happened next was so gruesome that even the film's crew was stunned.

The filmmaker reveals the movies he screened for the Universal Monsters rebooters, discusses the importance of practical effects, and whether Bigfoot could be a Wolfman.