William Butler has quite the extensive horror résumé. He faced Jason Voorhees in “Friday the 13th Part VII: The New Blood,” the Sawyer clan in “Leatherface: The Texas Chainsaw Massacre III,” flesh-eating zombies in “Night of the Living Dead” (1990), and even appeared in 2 episodes of “Freddy’s Nightmares.” Tune in to hear all about his vast career in the genre, the many horror greats he’s worked with throughout the years, and some exciting updates on his latest projects.