Not exactly undercover but named one of the Ten Most Influential Christians in Hollywood, Martha Williamson can claim a little background influence for the latest History Channel blockbuster "The Bible."
Williamson was the producer of the long-running (nine years) TV series "Touched by an Angel" starring Rona Downey. Downey and her husband co-produced "The Bible," so in some ways the Williamson Touch remains.
Google others on the Ten Most Influential Christians. You'll be surprised.