It’s quite a trick to be a standout on an ensemble comedy—especially a cult hit like “Arrested Development” (Fox, 2003-06)—but Will Arnett did just that in his breakthrough role: as the middle brother George Oscar 'GOB' Bluth II –pronounced like the Biblical “Job”—Arnett made the role of the mediocre magician, foil to older brother Michael (Jason Bateman) and all-around screw-up a scene-stealing wonder. The Canadian-born Arnett sneaked onto the Hollywood scene in a handful of smaller movies. Like many actors, his first credited part didn’t have a name—he played “Weather Video Guy” on the