In a story from Variety it looks like the talent agency Circle of Confusion is producing Gatekeeper.

This film is being described as a "zombie thriller" that stars Matthew O'Leary, Lea Thompson, Judge Reinhold, Ron Perlman and Jana Kramer. The project will begin production in September.

Isaac Meisenheimer will be directing this film that shows what happens when a small mistake finds three people fighting a zombies in their hometown.

"We intend to make a film in the vein of Shaun of the Dead for American audiences," stated producer Stephen Emery.

Evan Jacobs at Movieweb
Evan Jacobs