Dane Hughes
John Walker
Four children (the Swallows) on holiday in the Lake District sail on their own to an island and start a war with rival children (the Amazons). In the meantime, a mysterious man on a houseboat accuses them of a crime they did not commit.
John Walker
Susan Walker
Tatty Walker
Roger Walker
Nancy Blackett
Peggy Blackett
Jim 'Captain Flint' Turner / Polski the Parrot
Mrs. Walker
Lazlov
Mr. Jackson
Mrs. Jackson
Gertie
Harbour Master
Miss Crummock
Mrs. Blackett
Old Billy
Young Billy
Fair Stall Holder
Naval Officer
Naval Officer
Director
