"A scientist spills a new serum in his lab, accidentally inhales its fumes, and turns into a murderous monster who kills anyone he touches."
John Agar
as Alex Marsh
Paula Raymond
as Carol Wilson
Stephen Dunne
as Tom Holland
Roy Gordon
as Dr. Frederick Ramsey
John A. Alonzo
as Carlos, lab assistant
Jack Younger
as Mike The Mailman
Joe Besser
as Service station attendant
Butch Patrick
as Davey, little boy on beach
Norman Burton
as Chief Homicide Investigator
Fred Krone
as Cab Driver
Kevin Enright
as Police Photographer
Jack Donner
as Cop
Chuck Niles
as Reporter
Ruth Terry
as Woman with Packages
Bob Whitney
Eugene Ling
Producer
Gene Nelson
Director
Writer
Sonny Burke
Original Music Composer
Floyd Crosby
Director of Photography
John Intlekofer
Wardrobe Master
Conductor
Winifred Gibson
Script Supervisor
Victor B. Appel
Sound
Arthur Cornell
Supervising Sound Editor
Ygnacio Sepulveda
Property Master
Willard Kirkham
Assistant Director
Harold E. Knox
Production Supervisor
Bob Mark
Makeup Artist
Harry Reif
Set Decoration
Jodie Copelan
Supervising Editor
Carl Pierson
Editor
Harry Spalding