25-year-old Alex Borden's chance encounter with a mysterious stranger has found his intellect rapidly expanding, but as the power of his mind grows so too does the mystery of a brutal series of murders. Now, as the killer seems to set his sights on Alex, the frightened genius must use his newfound brain power to put an end to the mayhem once and for all.
Olivia Hussey
as Dr. Karen Murphy
William Atherton
as Dr. Ira Gold
Sean Young
as Mother
Christopher Denham
as Alex Borden
Dee Wallace
as Dr. Denise Bell
Udo Kier
as Rev. Karl Hartman
Mark Margolis
as Boris Pavlovsky
Larry Fessenden
as Father
Erick Kastel
as Harry Jellenik
Pollyanna McIntosh
as Stacy
Paul Sparks
as Jason
Daniel Manche
as Young Harry
