Special Guest Stars Victor Garber as Admiral Tom Halsey Guest Stars Norm Macdonald voices Yaphit Patrick Cox as Justin the Ogre Brian George as Dr. Aronov Joel Swetow as Krill Captain Co Starring Dee Bradley Baker voices Dr. Jorvik Christine Corpuz as Janice Lee Dylan Kenin as Krill Soldier Sean Cook as Derek Ashton Uncredited Rob Lowe as Darulio