Official website: http://www.theofficialjohncarpenter.com/prince-of-darkness/
Casts
Donald Pleasence
Father Loomis
Lisa Blount
Catherine Danforth
Victor Wong Chi-Keung
Prof. Howard Birack
Jameson Parker
Brian Marsh
Dennis Dun
Walter
Susan Blanchard
Kelly
Anne Marie Howard
Susan Cabot
Ken Wright
Lomax
Dirk Blocker
Mullins
Jessie Lawrence Ferguson
Calder
