John Grey is the host of the show Ghost Chasers and the Ghost Channel.
In 2005, Lori Girard invites John on her expedition to find out what happened to Jake Hurley. John uses his equipment to try and record the ghost of Camille, Jake's wife. He tells Nancy that his show was cancelled, but it was picked up by a major network.
Shadow at the Water's Edge micro site reveals that he also runs John Grey's Paranormal Tours. Dylan Carter once worked for them.
- In Shadow at the Water's Edge, a Grey stayed in room #35 at the Ryokan Hiei.