Dr. Louis Hastings

"But he's the whole, Karen. Damien is the power!"

- Dr. Louis Hastings to Karen York about Delia's birth father, Damient Thorn.

Dr. Louis Hastings is the trusted physcian of the York family and secretly, a Satanist follower of Delia York, and a minor villain in Omen IV: The Awakening.

He was portrayed by Madison Mason.