Elenco
James Mason
Mr. Grimes / Voice of Killer Shark
Bernard Cribbins
Mr. Masterman / Voice of Eel
Billie Whitelaw
Mrs. Doasyouwouldbedoneby / Old Crone / Mrs. Tripp / Woman in Black / Water Babies 'Gate Keeper'
Tommy Pender
Tom
Samantha Gates
Elly
Joan Greenwood
Lady Harriet
David Tomlinson
Sir John / Voice of Polar Bear
Jon Pertwee
Salmon
David Jason
(voice)
Una Stubbs
(voice)
Equipe
Lionel Jeffries
Director
Michael Robson
Writer
Charles Kingsley
Book
Peter Shaw
Producer
Peter Weatherley
Editor
Edward Scaife
Director of Photography
Tony Cuthbert
Animation Director
Jack Stokes
Animation Director
Mirosław Kijowicz
Animation Director
Leszek Galewicz
Animation Director
Jan Baudouin de Courtenay
Animation
Leszek Marek Gałysz
Animation
Andrzej Kozłowski
Animation
Elżbieta Morawska
Animation
Jarosław Jakubiec
Animation
Aleksander Piątkowski
Animation
Cecylia Terlikiewicz
Animation
Joanna Zacharzewska
Animation