Joe and Michael, 13-year-old Brits, become separated from their class outing, stranded on a small island, and captured by armed men.
Michael Elphick
Jack Daker
Allan Surtees
George Moody
Martin Murphy
Michael
Mike Salmon
Joe
Norman Tipton
Teacher
Hugh Martin
Deliveryman
Mike Savage
River Police Sergeant
Brian Osborne
Police Sergeant
