Modelling themselves after an idyllic cookie-cutter suburban 1950s family, a colony of insects move from South America into the United States with the intent of getting access to the nation's nuclear resources.
| Actor | Role |
|---|---|
 Ed Begley Jr.Richard P. Applegate | Richard P. Applegate |
 Stockard ChanningJane Applegate | Jane Applegate |
 Dabney ColemanAunt Bea | Aunt Bea |
 Robert JayneBobby Jacoby / Johnny Applegate | Bobby Jacoby / Johnny Applegate |
 Camille CooperSally Applegate | Sally Applegate |
 Glenn ShadixGreg Samson | Greg Samson |
 Susan BarnesOpal Withers | Opal Withers |
| AAdam BieskVince Sampson | Vince Sampson |
 Savannah Smith BoucherDottie | Dottie |
 Roger Aaron BrownSheriff Heidegger | Sheriff Heidegger |
 Lee GarlingtonNita Samson | Nita Samson |
 Mark BringelsonRich Block | Rich Block |
| SSherrie WillsPeace Corps Volunteer | Peace Corps Volunteer |
| JJerry CraigAmazon Native | Amazon Native |