When odd reports are received through official channels stating that the President of the United States is being held captive on a secret international moon base called Vegan and that he has been replaced on Earth by a clone, the US Marshall Service immediately sends their 'best' man, Dix, on the mission.

Leslie Nielsenas Marshal Richard "Dick" Dix
Ophélie Winteras Cassandra Menage
Ezio Greggioas Captain Valentino Di Pasquale
Peter Eganas Dr. Griffin Pratt
Alexandra Kampas Dr. Uschi Künstler
Pierre Edwardsas Lieutenant Bradford Shitzu
David Foxas Secretary Osgood
Verona Poothas Yetta Pussel