A young man and his three younger siblings are plagued by a sinister presence in the sprawling manor in which they live.
Jack Marrowbone
Allie
Billy Marrowbone
Jane Marrowbone
Sam Marrowbone
Rose Marrowbone, Mother
Tom Porter
Simon Fairbairn, Father
Molly
Doctor
Monster
Thelma (uncredited)
Mr. Gouldman (voice) (uncredited)
