Jonathan Walker (Land of the Dead, “Smallville”) is the latest to join the cast of Matthijs van Heijningen Jr.’s now filming The Thing prequel. He’ll star alongside Mary Elizabeth Winstead and Joel Edgerton. In a remote Antarctica outpost, an alien spaceship is discovered far beneath the ice. When a group of ambitious scientists decide to thaw out one of the creatures inside, they’re in for the terrifying fight of their lives. Universal hasn’t announced release plans yet, but a 2011 is expected. Dennis Storhøi, Trond Espen Seim, Jørgen Langhelle, Eric Christian Olsen, Stig Henrik Hoff, Jan Gunnar Røise, Kristofer Hivju and Jo Adrian Haavind also star.