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