Except perhaps for Hugh Laurie, who tries valiantly but hopelessly to extricate the mannerisms of Dr. House from his American persona, The Oranges feels like it was cast by a computer--why are Alison Janney and Oliver Platt even still willing to read scripts that call for a sardonic homemaker and a schlubby hubby, respectively? Catherine Keener is Laurie's ballbreaking wife, Adam Brody and Alia Shawkat are their ironic offspring, and Leighton Meester is Shawkat's hotter frenemy; what happens is that rather than elevate the material, this archetypal, overqualified cast only exacerbates its familiarity. Distinguishing itself from the rash of post-American…