Morgan and his friends are on a hunting trip on a remote Canadian island when they are attacked by a swarm of giant wasps. Looking for help, Morgan stumbles across a barn inhabited by an enormous killer chicken. After doing some exploring, they discover the entire island is crawling with animals that have somehow grown to giant size. The most dangerous of all of these, however, are the rats, who are mobilizing to do battle with the human intruders.
Marjoe Gortner
Morgan
Pamela Franklin
Lorna
Ralph Meeker
Bensington
Jon Cypher
Brian
Ida Lupino
Mrs. Skinner
John McLiam
Mr. Skinner
Belinda Balaski
Rita
Tom Stovall
Thomas
Chuck Courtney
Davis
Reg Tunnicliffe
Ferry Attendant
Kevin Schumm
Child in a Classroom (uncredited)
