Guest Stars Rob Riggle voices Glorlox Leslie Uggams voices Grandma Kari Wahlgren voices EHC Announcer Ralph Ineson voices The Widowmaker Tim Meadows voices Principal Lieb Rob Riggle voices Alien 2 Rob Riggle voices Alien 3 Kari Wahlgren voices Ashley Kari Wahlgren voices Bounty Hunter Alien Kari Wahlgren voices Mrs. Peeps Keith Ferguson voices Mr. Ivey Keith Ferguson voices Alex Keith Ferguson voices Student Keith Ferguson voices Angry Boarfish Alien Caleb Matthew Yen voices Brian Caleb Matthew Yen voices Bucky's Supervisor Bot Co Starring Secunda Wood voices Additional Voices