
A young married physician discovers a mermaid, and gives into her request to be taken to see London. Comedy and romantic entanglements ensue.
Cast

Glynis Johns
Miranda Trewella

Googie Withers
Clare Martin

Griffith Jones
Dr. Paul Martin

John McCallum
Nigel

Margaret Rutherford
Nurse Carey

David Tomlinson
Charles

Yvonne Owen
Betty

Sonia Holm
Isobel

Brian Oulton
Manell

Zena Marshall
Secretary
Lyn Evans
Inn Landlord

Stringer Davis
Museum Attendant

Hal Osmond
Railway Carman

Maurice Denham
Cockle Vendor

Gerald Campion
Lift Boy (uncredited)

Howard Douglas
Fisherman (uncredited)

Joan Ingram
Primadonna (uncredited)
Tonie MacMillan
Nigel's Landlady (uncredited)

Charles Paton
On the Kiosk (uncredited)

Philip Ray
Fisherman (uncredited)
Charles Rolfe
On the Kiosk (uncredited)
Frank Webster
Service Man (uncredited)
Crew

Ken Annakin
Director
Denis Waldock
Writer
Peter Blackmore
Screenplay
Gordon Hales
Editor
Bryan Langley
Director of Photography
Ray Elton
Director of Photography
Alf Keating
Assistant Director
Betty E. Box
Producer
Roy Rich
Associate Producer
Fred Gunn
Production Controller
Dudley Lovell
Camera Operator
Yvonne Caffin
Wardrobe Supervisor
Len Garde
Makeup Artist
B. C. Sewell
Sound Director
M. Hobbs
Sound Recordist
Temple Abady
Original Music Composer
George Paterson
Art Direction
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