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.
Johnny Barrett
Peter Breck
Cathy
Constance Towers
Boden
Gene Evans
Stuart
James Best
Trent
Hari Rhodes
Pagliacci
Larry Tucker
Dr. Menkin
Paul Dubov
Wilkes
Chuck Roberson
Psycho
Neyle Morrow
Dr. Cristo
John Matthews
Swanee
Bill Zuckert
Lloyd
John Craig
Dr. Fong
Philip Ahn
Police Lieutenant
Frank Gerstle
Rachel Romen
Barbara Perry
Marlene Manners
Linda Randolph
Lucille Curtis
Jeanette Dana
Marie Devereux
Karen Conrad
Allison Daniell
Chuck Hicks
Wally Campo
Ray Baxter
Linda Barrett
Harry Fleer