Karen Gillan and Katee Sackhoff have both worked with Vin Diesel and Dave Bautista. Karen Gillan would star opposite Vin Diesel and Dave Bautista in "Guardians of the Galaxy" and Katee Sackhoff starred opposite Vin Diesel and Dave Bautista in "Riddick".
In the moving scenes when the mirror is placed in the home office there is a Dell 2013 model flatscreen monitor on the desk. These events were supposed to take place 11 years prior. Flat screen monitors were a rarity and were much smaller in size.
Oculus is a 2013 horror film in which Karen Gillan stars as a young woman who convinces her younger brother (Brendon Thwaites), recently discharged from a mental institution, to return to their childhood home for the first time in 11 years and record evidence that her brother was not responsible for the deaths of their parents (Katee Sackhoff and Rory Cochrane) and that their parents were victims of evil demons that are living within an ancient mirror and keeping a promise to destroy the mirror.