Dr. John Beck, recently married, decides to take his wife, Cathy, spelunking in Carlsbad Cavern. While there, Dr. Beck, who specializes in bats, is bitten by a fruit bat. He is then, inexplicably, transformed into a vampire bat. While he … Stewart Moss, Marianne McAndrew, Michael Pataki, Paul Carr, Arthur Space, Robert Berk, Pat Delaney Added on Amazon Prime 2022-04-09. Youtube Trailer