Shortly after moving into a dark, brooding mansion, a psychologist and his co-workers are terrorized by a horrible evil being.

• Rangoon Productions
• New World Pictures
• Richard Crenna
• Joanna Pettet
• Andrew Prine
• Cassie Yates
• George O'Hanlon Jr.
• Lynne Moody
• Mary Louise Weller
• Robert Viharo