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

Starring:

Glynis Johns, Googie Withers, Griffith Jones, John McCallum, Margaret Rutherford, David Tomlinson, Yvonne Owen, Sonia Holm, Brian Oulton, Zena Marshall, Lyn Evans, Stringer Davis, Hal Osmond, Maurice Denham

Genre:

Fantasy, Comedy, Romance