Joining her giantess to fend off Rainn Wilson's evil alien Gallaxhar are Dr. Cockroach, Ph.D. (Hugh Laurie), the jellylike B.O.B. (Seth Rogen) and the half-ape, half-fish Missing Link (Will Arnett). Kiefer Sutherland speaks for Gen. W.R. Monger (get it?), and Stephen Colbert is the president.Discover what a 49-foot Witherspoon looks like and read all of USA Today’s story on the matter here.