Credits
Cast
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)
Camera
Edward Scaife
Director of Photography
Directing
Lionel Jeffries
Director
Editing
Peter Weatherley
Editor
Production
Peter Shaw
Producer
Writing
Charles Kingsley
Book
Michael Robson
Writer