2014 Mercy A single mom and her two boys help take care of their grandmother with mystical powers. Credits Director Peter Cornwell Producers Jeanette Volturno , Matt Greenberg , Jason Blum Writer Matt Greenberg Cinematographer Byron Shah Editors Toby Yates , William Yeh Production Design Clay A. Griffith Composer Reza Safinia Visual Effects Olaf Wendt Casting Lindsey Hayes Kroeger Cast Frances O'Connor , Shirley Knight , Mark Duplass , Chandler Riggs , Joel Courtney , Dylan McDermott , Chris Browning , Amanda Walsh , Eddie Jones , Hana Hayes Studios Blumhouse Productions , Wonderland Sound and Vision Genres Thriller Horror External IMDb Amazon Posters 5
