Emily Mortimer ain't 'fraid of no ghosts
As previous mentioned here Max Martini and Cory Hardrict are also starring with Nic Mathieu directing.
The Spectral the original script was written by Ian Fried with rewrites by John Gatins and George Nolfi.
The film follows a modern-day, militaristic and gritty approach to fighting the supernatural. Apparently the pitch was described as a darker and more serious take on a Ghostbusters-like story, with a plot that revolves around a special ops group formed to bring down evil ghosts that have taken over Manhattan.