Set in the beauty of the Pacific Northwest, the legend of Swanson Lake is kept by one man and he's not about to surrender it. When Bill's grandsons come for a summer visit, they stumble into a big-time adventure with a giant turtle named Mel. When Bill's neighbor Bailey tries to kidnap Mel in order to feature him in a proposed theme park, the grandsons plot to hide Mel from the neighbor.
Ernest Borgnine
as Grandpa
Julie Hagerty
as Bonnie
Greg Evigan
as Peter
Jack Scalia
as Bailey Silverwood
Bug Hall
as Travis
Josh Paddock
as Roger
Vanessa Evigan
as Susie
Paul Sampson
as Matt Henderson
George Yager
as Sheriff Edgewood
John Green
as Technician
Molly Ann Lashinsky
as Debbie
Ellen Travolta
as Dr. Vogul
