Jon Erwin’s credits include "I Can Only Imagine," "Jesus Revolution," and—most recently—the hit show, "House of David." He discusses the craft of filmmaking, the ever-changing methods of sharing the gospel, and why his art isn’t 100% biblical.Jon Erwin’s credits include "I Can Only Imagine," "Jesus Revolution," and—most recently—the hit show, "House of David." He discusses the craft of filmmaking, the ever-changing methods of sharing the gospel, and why his art isn’t 100% biblical.