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.

Top Cast

John BealDr. Paul Beecher

Coleen GrayCarol Butler

Kenneth TobeyBuck Donnelly

Lydia ReedBetsy Beecher

Dabbs GreerDr. Will Beaumont

Herb VigranSgt. George Ryan

Paul BrinegarWilly Warner

Ann StauntonMarion Wilkins