'7th Heaven's Mackenzie Rosman in SyFy movie 'Ghost Shark' (Photos)

Slideshow posted in Photos | Tuesday, July 30, 2013

1 of 6: David Randolph-Mayhem Davis appears as Blaise and former '7th Heaven' star Mackenzie Rosman appears as Ava in a scene from the SyFy Original Movie 'Ghost Shark,' which premieres on the cable channel on Aug. 22, 2013 at 9 p.m. ET. ( Photo / SyFy)

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