EXCLUSIVE: Bleiberg Entertainment has picked up international rights to action caper Killing Mary Sue, starring Sierra ...

Clockwise Top L-R: Sierra McCormick, Dermot Mulroney, Sean Patrick Flanery, Jason Mewes, Martin Koveand Kym Whitley Getty/Storm Santos/Getty/Courtesy/Getty EXCLUSIVE ...

Sierra McCormick broke out on Disney shows like "A.N.T. Farm" and "Jessie" before making her mark in 'The Vast of Night' and "American Horror Stories." ...