With the help of his girlfriend Cathy and Dr. Fong, a psychiatrist, ambitious journalist Johnny Barrett poses as a madman in order to be admitted to a mental institution where a bloody murder has been committed.

Peter Breck
as Johnny Barrett

Constance Towers
as Cathy

Gene Evans
as Boden

James Best
as Stuart

Hari Rhodes
as Trent

Larry Tucker
as Pagliacci

Paul Dubov
as Dr. Menkin

Chuck Roberson
as Wilkes

Neyle Morrow
as Psycho

John Matthews
as Dr. Cristo