I thought it was a metaphorical reference and replied, "I prefer great apes to werewolves, or far worse, vampires."
"Gorilla suits are uncomfortable," I said, trying to inject levity. "How do I know?"
He replied, "The studio is filled with zombies. I'm only wearing the mask."
When we talked on the phone, later, I realized he was serious. They were filming a zombie movie at the studio and he wore a gorilla mask all day.