Rancher Cole Hillman is fed up of rabbits plaguing his fields. Zoologist Roy Bennett conducts an experiment to curb their population, but it gives rise to giant rabbits that terrorise the town.
| Actor | Role |
|---|---|
 Stuart WhitmanRoy Bennett | Roy Bennett |
 Janet LeighGerry Bennett | Gerry Bennett |
 Rory CalhounCole Hillman | Cole Hillman |
 DeForest KelleyElgin Clark | Elgin Clark |
 Paul FixSheriff Cody | Sheriff Cody |
 Melanie FullertonAmanda Bennett | Amanda Bennett |
| CChris MorrellJackie Hillman | Jackie Hillman |
 Chuck HaywardJud | Jud |
| HHenry WillisFrank | Frank |
 Francesca JarvisMildred | Mildred |
 William ElliottDr. Leopold | Dr. Leopold |
| BBob HardyProfessor Dirkson | Professor Dirkson |
| RRichard JacomeDeputy Jason | Deputy Jason |
| IInez PerezHousekeeper | Housekeeper |
| RRoy GaintnerWalker | Walker |
| EEvans ThorntonMajor White | Major White |
 I. Stanford JolleyDispatcher | Dispatcher |
| RRobert GoodenLeslie | Leslie |
| WWalter KelleyTruck Driver | Truck Driver |
| FFrank KennedyDoctor | Doctor |
 Don StarrCutler | Cutler |
| PPeter O'CrottyArlen | Arlen |
 Jerry DunphyTelevision Newscaster | Television Newscaster |
| PPhillip AvenettiOfficer Lopez | Officer Lopez |
| RRussell MorrellPriest | Priest |
| DDonna GelgurWife in Car | Wife in Car |