A biological experiment in Florida goes awry. The result: 8-foot long land crabs which roar loudly and kill everything in sight.
Robert Lansing
as Moody
Steve Hanks
as Pete Adams
Nita Talbot
as Rosie
Jo McDonnell
as Jan Raines
Martina Deignan
as Lynn
Barry Nelson
as Dr. McNeal
Tony Rigo
as Joe
Raymond Forchion
as Jean
Dick Callinan
as Frank Raines
Dolores Sandoz
as Margarite
Frank Schuller
as Coy
Mal Jones
as Ames
