This children's fantasy tells the story of a 12-year-old boy who discovers a complex underwater world where young children are held prisoner by an evil shark and an eel.
Directed byLionel Jeffries, Miroslaw Kijowicz
Written byMichael Robson, Charles Kingsley, Lionel Jeffries
CountryPoland, United Kingdom
Runtime92 min
On screen
James Mason
Bernard Cribbins
Billie Whitelaw