O.C. Babes and the Slasher of Zombietown – Creep Creepersin, USA, 2008
Oasis of the Zombies – Jesús Franco, France/Spain, 1982
The Occultist aka The Ritual – Novin Shakiba, USA, 2009
Stars: Domiziano Arcangeli, Derek Baker, Adriana Barrera
Octaman – Harry Essex, USA, 1971
The Oily Maniac – Hong Kong, 1976 and sequel
Old Mother Riley Meets the Vampire aka Vampire Over London – UK, 1952
Once Bitten – Howard Storm, USA, 1985
Ooga Booga – Charles Band, USA, 2013
Open House – Jag Mundhra, 1987
Ozone! Attack of the Redneck Mutants – Matt Devlen, USA, 1989
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z