
A new kind of killer to stalk the screen!
A small town doctor mistakenly ingests an experimental drug made from the blood of vampire bats which transforms the kindly medic into a bloodthirsty monster.
John BealDr. Paul Beecher
Coleen GrayCarol Butler
Kenneth TobeyBuck Donnelly
Lydia ReedBetsy Beecher
Dabbs GreerDr. Will Beaumont
Herb VigranSgt. George Ryan
Paul BrinegarWilly WarnerAnn StauntonMarion Wilkins
James GriffithHenry WinstonHallene HillMrs. Carrie Dietz (uncredited)
Raymond GreenleafAutopsy Surgeon (uncredited)Wood RomoffDr. Matthew J. Campbell (uncredited)
Brad MorrowTommy (uncredited)
Mauritz HugoJoe, the Waiter (uncredited)Anne O'NealMarion's Housekeeper (uncredited)