Dr. Sarah Chapel returns to the small town of Brighton Mills when her father Dr. Robert Chapel unexpectedly dies. His clients and friends miss him, and Sarah discloses that all of them have perfect health; they hear voices when they are sleeping; and they are addicted to the stimulant Tributol. Her further investigation discloses a dark secret about the haunting voices.
as Sarah Chapel
as David Richards
as Tom Mabry
as Nan Parrish
as Alice Farmer
as Stuart Quinn
as Radu, the Romanian Hypnotist
as Derek the Cop
as Michael Richards
as Poor Old Man from Room 410
as Dr. Max Overman
as Metal Detector Lady
as Arjen Bhasen
as Dr. Robert Chapel
as Control Room Operator
as Sharon
as Minister
as Doug
as Linda Mabry
as Rosie
as Party Guest
