Single White Female for the PG-13 masses. The Roommate premiered in the Number One spot at the box office this weekend with $15 Million. Sanctum premiered in Second Place with $9.4 Million. No Strings Attached was Third with $8 Million. The King’s Speech was Fourth with $7.7 Million. The Green Hornet was Fifth with $5.9 Million. The Rite, The Mechanic, True Grit, Black Swan, and The Dilemma rounded out the top ten respectively.