Movies in the Horror genre

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  O.C. Babes and the Slasher of Zombietown

  2008

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  O.T. Overtime

  2014

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  Oasis of the Zombies

  1982

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  Obras maestras del terror

  1960

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  Observance

  2015

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  Obsidian Hearts

  2012

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  Occult Detective Club: The Doll Cemetery

  2006

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  Occupant

  2011

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  Occupational Hazard

  2012

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  Oceaniden

  2010

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  Octaman

  1971

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  Octane

  2003

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  October Moon

  2005

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  Octopus

  2000

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  Octopus 2: River of Fear

  2002

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  Oculus

  2014

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  Oculus: Chapter 3 - The Man with the Plan

  2006

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  Of Silence

  2014

• 

  Of Unknown Origin

  1983

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  Offerings

  1989

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  Office Killer

  1997

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  Offspring

  2009

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  Ogre

  2008

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  Oh My Ghost!

  2006