Steve Wesson, 44, visited Manby Hall, in Lincolnshire, earlier this year with his UK Ghost Hunts team and could not believe his luck when he captured the 'freaky' footage.
The team didn't realise that an unknown figure wanders through the background until looking at the video later that night but Steve insists it could not have been any of his team and there was no one else in the building.
Steve believes he must have seen the shape in the corner of his eye as he followed the suspected phantom into a stairwell, which footage shows was eerily empty.
