Wentworth Miller, who became a bona fide star during his run on Fox’s Prison Break, returns to television Wednesday night playing an NYPD officer on Law & Order: SVU (NBC, 9 PM ET/PT).  For Miller, entering the SVU universe was a total joy, and he explains why he immediately took the gig.  (CLICK ON THE MEDIA BAR BELOW TO HEAR WENTWORTH MILLER)