Thanks to Edith from Spicedogs for the following.
ACTOR IN A SUPPORTING ROLE IN A SERIES, MINISERIES OR MOTION PICTURE MADE FOR TELEVISION
Andy Serkis, “Longford” (HBO/Channel 4)
Michael Emerson, “Lost” (ABC)
Masi Oka, “Heroes” (NBC)
Justin Kirk, “Weeds” (Showtime)
T.R. Knight, “Grey’S Anatomy” (ABC)
Harry Dean Stanton, “Big Love” (HBO)
G. David Zayas, “Dexter” (Showtime)
Source: Full Nominations List @ Portable Planet