They Came from the Attic

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)