Guinn "Big Boy" Williams
Dick Mallory
Allene Ray
Ruth Hampton
Niles Welch
Sam Crandall
Tom O'Brien
Police Sgt. Pat Collins
Sheldon Lewis
The Thing
Wilfred Lucas
Dist. Atty. John Hampton
Horror
Thriller
Mystery
The Phantom
An eclectic group of people are stalked by a masked killer in an old mansion.