Carter M. Phillips
The Boy
Gavin Villareal
Gavin Stanley/Creature #5
Tuker Heil
Edmund Piercer/Creature #4
Larry Napoleon
Winston Nathan/Creature #1
Aiden Villareal
Frank Stanley/Creature #3
Ben Cooper
Joe/Creature #2
Vincent Price
Dr. Robert Morgan (Archival Footage)
Lon Chaney
The Phantom of the Opera (Archival Footage)
Judith O'Dea
Barbra (Archival Footage)
Karl Hardman
Harry Cooper (Archival Footage)
Keith Wayne
Tom (Archival Footage)
Elisha Cook Jr.
Watson Pritchard (voice) (Archival)