All are strangers to both the Lorens and each other, with their only commonality is their lust for money. David Trent ( Alan Marshal) who specializes in hysteria, Nora Manning ( Carolyn Craig) who works for one of Loren's companies, and the house's owner Watson Pritchard ( Elisha Cook). The guests are test pilot Lance Schroeder ( Richard Long), newspaper columnist Ruth Bridges ( Julie Mitchum), psychiatrist Dr. Frederick Loren ( Vincent Price), an eccentric millionaire, invites five people to a party he is throwing for his fourth wife Annabelle ( Carol Ohmart) in an allegedly haunted house he has rented, promising to give each $10,000 with the stipulation that they stay the entire night in the house after the doors are locked at midnight.
