In the future, mental institutions are located on far-away planets. One such planet is the apex for an invasion of Earth by rodent-like aliens. It is up to a band of intrepid mental patients to thwart their evil schemes.
Hoyt Axton
Charlie
Bridget Hoffman
Elizabeth
Ray Walston
Bert
Ted McGinley
Biff
Joseph Campanella
General Maxwell
John Draikas
Ted
Felicity Waterman
Melissa
Mark Hammond
Frank
