Santa Monica post house Digital Magic has completed a $1 million expansion of its computer graphics de-partment. The facility, a division of Four Media Co., also added five computer graphic artists to its staff.The new department will create more than two dozen effects scenes for the upcoming feature “Mortal Kombat II: The Annihilation.” Digital Magic will also continue working on effects for Paramount’s TV series “Star Trek: Voyager.” New personnel include 3D supervisor Stephen Brand, who will head the staff of artists. He was previously lead animator at Warner Bros. Imaging Technology, and producer and art director at Cyber 7 Entertainment. Digital Magic’s effects department is headed up by visual effects supervisor Ralph Maiers.