"A hypnotherapist uses a temperamental teenager as a guinea pig for a serum which transforms him into a vicious werewolf."
Michael Landon
as Tony Rivers
Yvonne Lime
as Arlene Logan
Whit Bissell
as Dr. Alfred Brandon
Charles Willcox
as Jimmy
Barney Phillips
as Detective Donovan
Ken Miller
as Vic
Cynthia Chenault
as Pearl
Michael Rougas
as Frank
Robert Griffin
as Police Chief P.F. Baker
Joseph Mell
as Dr. Hugo Wagner
Malcolm Atterbury
as Charles Rivers
Eddie Marr
as Doyle
Vladimir Sokoloff
as Pepe the Janitor
Louise Lewis
as Principal Ferguson
Guy Williams
as Officer Chris Stanley
Dawn Richard
as Theresa
S. John Launer
as Bill Logan
Dorothy Crehan
as Mary Logan
Gene Fowler Jr.
Director
Herman Cohen
Screenplay
Aben Kandel
Story
Producer
Paul Dunlap
Original Music Composer
Joseph LaShelle
Director of Photography
A. Leslie Thomas
Production Design
Morris Hoffman
Set Decoration
Phillip Scheer
Makeup Artist
Fae M. Smith
Hairstylist
Jack R. Berne
Production Manager
Assistant Director
James S. Thomson
Sound